Home / 39,349.27-54,300.40-21,443.89

Finding the Fourth Proportional to 39,349.27, 54,300.40 and 21,443.89

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Solution

The fourth proportional to 39,349.27, 54,300.40 and 21,443.89 is: 29,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.27 : 54,300.40 = 21,443.89 : x
  2. Step 2: Convert to fraction form
    39,349.27/54,300.40 = 21,443.89/x
  3. Step 3: Cross multiply
    39,349.27x = 54,300.40 × 21,443.89
  4. Step 4: Simplify right side
    39,349.27x = 1,164,411,639.43
  5. Step 5: Solve for x
    x = 1,164,411,639.43/39,349.27
  6. Step 6: Final answer
    x = 29,591.70

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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.