Home / 39,029.52-53,854.94-22,890.72

Finding the Fourth Proportional to 39,029.52, 53,854.94 and 22,890.72

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Solution

The fourth proportional to 39,029.52, 53,854.94 and 22,890.72 is: 31,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029.52 : 53,854.94 = 22,890.72 : x
  2. Step 2: Convert to fraction form
    39,029.52/53,854.94 = 22,890.72/x
  3. Step 3: Cross multiply
    39,029.52x = 53,854.94 × 22,890.72
  4. Step 4: Simplify right side
    39,029.52x = 1,232,778,352.16
  5. Step 5: Solve for x
    x = 1,232,778,352.16/39,029.52
  6. Step 6: Final answer
    x = 31,585.79

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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.