Home / 39,029.01-53,854.26-22,890.21

Finding the Fourth Proportional to 39,029.01, 53,854.26 and 22,890.21

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Solution

The fourth proportional to 39,029.01, 53,854.26 and 22,890.21 is: 31,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029.01 : 53,854.26 = 22,890.21 : x
  2. Step 2: Convert to fraction form
    39,029.01/53,854.26 = 22,890.21/x
  3. Step 3: Cross multiply
    39,029.01x = 53,854.26 × 22,890.21
  4. Step 4: Simplify right side
    39,029.01x = 1,232,735,320.79
  5. Step 5: Solve for x
    x = 1,232,735,320.79/39,029.01
  6. Step 6: Final answer
    x = 31,585.10

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Half scale
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Double scale
Find fourth proportional to 39,030.01, 53,855.64 and 22,891.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.