Home / 56,156.52-77,496.17-30,663.11

Finding the Fourth Proportional to 56,156.52, 77,496.17 and 30,663.11

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Solution

The fourth proportional to 56,156.52, 77,496.17 and 30,663.11 is: 42,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.52 : 77,496.17 = 30,663.11 : x
  2. Step 2: Convert to fraction form
    56,156.52/77,496.17 = 30,663.11/x
  3. Step 3: Cross multiply
    56,156.52x = 77,496.17 × 30,663.11
  4. Step 4: Simplify right side
    56,156.52x = 2,376,273,798.19
  5. Step 5: Solve for x
    x = 2,376,273,798.19/56,156.52
  6. Step 6: Final answer
    x = 42,315.19

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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.