Home / 56,060.56-77,359.62-30,909.52

Finding the Fourth Proportional to 56,060.56, 77,359.62 and 30,909.52

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Solution

The fourth proportional to 56,060.56, 77,359.62 and 30,909.52 is: 42,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,060.56 : 77,359.62 = 30,909.52 : x
  2. Step 2: Convert to fraction form
    56,060.56/77,359.62 = 30,909.52/x
  3. Step 3: Cross multiply
    56,060.56x = 77,359.62 × 30,909.52
  4. Step 4: Simplify right side
    56,060.56x = 2,391,148,721.58
  5. Step 5: Solve for x
    x = 2,391,148,721.58/56,060.56
  6. Step 6: Final answer
    x = 42,652.96

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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.