Home / 56,908.38-78,533.49-31,757.88

Finding the Fourth Proportional to 56,908.38, 78,533.49 and 31,757.88

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Solution

The fourth proportional to 56,908.38, 78,533.49 and 31,757.88 is: 43,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,908.38 : 78,533.49 = 31,757.88 : x
  2. Step 2: Convert to fraction form
    56,908.38/78,533.49 = 31,757.88/x
  3. Step 3: Cross multiply
    56,908.38x = 78,533.49 × 31,757.88
  4. Step 4: Simplify right side
    56,908.38x = 2,494,057,151.40
  5. Step 5: Solve for x
    x = 2,494,057,151.40/56,908.38
  6. Step 6: Final answer
    x = 43,825.83

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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.