Home / 56,272.47-77,653.11-30,773.88

Finding the Fourth Proportional to 56,272.47, 77,653.11 and 30,773.88

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Solution

The fourth proportional to 56,272.47, 77,653.11 and 30,773.88 is: 42,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272.47 : 77,653.11 = 30,773.88 : x
  2. Step 2: Convert to fraction form
    56,272.47/77,653.11 = 30,773.88/x
  3. Step 3: Cross multiply
    56,272.47x = 77,653.11 × 30,773.88
  4. Step 4: Simplify right side
    56,272.47x = 2,389,687,488.77
  5. Step 5: Solve for x
    x = 2,389,687,488.77/56,272.47
  6. Step 6: Final answer
    x = 42,466.37

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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.