Home / 42,487.72-63,660.66-29,987.08

Finding the Fourth Proportional to 42,487.72, 63,660.66 and 29,987.08

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Solution

The fourth proportional to 42,487.72, 63,660.66 and 29,987.08 is: 44,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.72 : 63,660.66 = 29,987.08 : x
  2. Step 2: Convert to fraction form
    42,487.72/63,660.66 = 29,987.08/x
  3. Step 3: Cross multiply
    42,487.72x = 63,660.66 × 29,987.08
  4. Step 4: Simplify right side
    42,487.72x = 1,908,997,304.27
  5. Step 5: Solve for x
    x = 1,908,997,304.27/42,487.72
  6. Step 6: Final answer
    x = 44,930.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.