Home / 56,666.52-78,190.92-31,516.02

Finding the Fourth Proportional to 56,666.52, 78,190.92 and 31,516.02

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Solution

The fourth proportional to 56,666.52, 78,190.92 and 31,516.02 is: 43,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,666.52 : 78,190.92 = 31,516.02 : x
  2. Step 2: Convert to fraction form
    56,666.52/78,190.92 = 31,516.02/x
  3. Step 3: Cross multiply
    56,666.52x = 78,190.92 × 31,516.02
  4. Step 4: Simplify right side
    56,666.52x = 2,464,266,598.54
  5. Step 5: Solve for x
    x = 2,464,266,598.54/56,666.52
  6. Step 6: Final answer
    x = 43,487.17

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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.