Home / 39,350.61-54,302.46-21,445.25

Finding the Fourth Proportional to 39,350.61, 54,302.46 and 21,445.25

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Solution

The fourth proportional to 39,350.61, 54,302.46 and 21,445.25 is: 29,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.61 : 54,302.46 = 21,445.25 : x
  2. Step 2: Convert to fraction form
    39,350.61/54,302.46 = 21,445.25/x
  3. Step 3: Cross multiply
    39,350.61x = 54,302.46 × 21,445.25
  4. Step 4: Simplify right side
    39,350.61x = 1,164,529,966.07
  5. Step 5: Solve for x
    x = 1,164,529,966.07/39,350.61
  6. Step 6: Final answer
    x = 29,593.70

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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.