Home / 56,087.72-77,397.54-30,937.16

Finding the Fourth Proportional to 56,087.72, 77,397.54 and 30,937.16

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Solution

The fourth proportional to 56,087.72, 77,397.54 and 30,937.16 is: 42,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.72 : 77,397.54 = 30,937.16 : x
  2. Step 2: Convert to fraction form
    56,087.72/77,397.54 = 30,937.16/x
  3. Step 3: Cross multiply
    56,087.72x = 77,397.54 × 30,937.16
  4. Step 4: Simplify right side
    56,087.72x = 2,394,460,078.59
  5. Step 5: Solve for x
    x = 2,394,460,078.59/56,087.72
  6. Step 6: Final answer
    x = 42,691.34

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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.