Home / 39,334.03-54,280.87-21,429.19

Finding the Fourth Proportional to 39,334.03, 54,280.87 and 21,429.19

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Solution

The fourth proportional to 39,334.03, 54,280.87 and 21,429.19 is: 29,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,334.03 : 54,280.87 = 21,429.19 : x
  2. Step 2: Convert to fraction form
    39,334.03/54,280.87 = 21,429.19/x
  3. Step 3: Cross multiply
    39,334.03x = 54,280.87 × 21,429.19
  4. Step 4: Simplify right side
    39,334.03x = 1,163,195,076.60
  5. Step 5: Solve for x
    x = 1,163,195,076.60/39,334.03
  6. Step 6: Final answer
    x = 29,572.23

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Half scale
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Double scale
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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.