Home / 56,197.95-77,553.12-30,704.50

Finding the Fourth Proportional to 56,197.95, 77,553.12 and 30,704.50

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Solution

The fourth proportional to 56,197.95, 77,553.12 and 30,704.50 is: 42,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197.95 : 77,553.12 = 30,704.50 : x
  2. Step 2: Convert to fraction form
    56,197.95/77,553.12 = 30,704.50/x
  3. Step 3: Cross multiply
    56,197.95x = 77,553.12 × 30,704.50
  4. Step 4: Simplify right side
    56,197.95x = 2,381,229,773.04
  5. Step 5: Solve for x
    x = 2,381,229,773.04/56,197.95
  6. Step 6: Final answer
    x = 42,372.18

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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.