Home / 56,042.60-77,337.54-30,892.04

Finding the Fourth Proportional to 56,042.60, 77,337.54 and 30,892.04

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Solution

The fourth proportional to 56,042.60, 77,337.54 and 30,892.04 is: 42,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.60 : 77,337.54 = 30,892.04 : x
  2. Step 2: Convert to fraction form
    56,042.60/77,337.54 = 30,892.04/x
  3. Step 3: Cross multiply
    56,042.60x = 77,337.54 × 30,892.04
  4. Step 4: Simplify right side
    56,042.60x = 2,389,114,379.18
  5. Step 5: Solve for x
    x = 2,389,114,379.18/56,042.60
  6. Step 6: Final answer
    x = 42,630.33

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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.