Home / 56,320.80-77,755.05-42,059.27

Finding the Fourth Proportional to 56,320.80, 77,755.05 and 42,059.27

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Solution

The fourth proportional to 56,320.80, 77,755.05 and 42,059.27 is: 58,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.80 : 77,755.05 = 42,059.27 : x
  2. Step 2: Convert to fraction form
    56,320.80/77,755.05 = 42,059.27/x
  3. Step 3: Cross multiply
    56,320.80x = 77,755.05 × 42,059.27
  4. Step 4: Simplify right side
    56,320.80x = 3,270,320,253.04
  5. Step 5: Solve for x
    x = 3,270,320,253.04/56,320.80
  6. Step 6: Final answer
    x = 58,065.94

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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.