Home / 56,343.78-77,754.15-30,502.26

Finding the Fourth Proportional to 56,343.78, 77,754.15 and 30,502.26

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Solution

The fourth proportional to 56,343.78, 77,754.15 and 30,502.26 is: 42,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343.78 : 77,754.15 = 30,502.26 : x
  2. Step 2: Convert to fraction form
    56,343.78/77,754.15 = 30,502.26/x
  3. Step 3: Cross multiply
    56,343.78x = 77,754.15 × 30,502.26
  4. Step 4: Simplify right side
    56,343.78x = 2,371,677,299.38
  5. Step 5: Solve for x
    x = 2,371,677,299.38/56,343.78
  6. Step 6: Final answer
    x = 42,092.97

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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.