Home / 56,018.20-77,304.12-30,524.75

Finding the Fourth Proportional to 56,018.20, 77,304.12 and 30,524.75

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Solution

The fourth proportional to 56,018.20, 77,304.12 and 30,524.75 is: 42,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.20 : 77,304.12 = 30,524.75 : x
  2. Step 2: Convert to fraction form
    56,018.20/77,304.12 = 30,524.75/x
  3. Step 3: Cross multiply
    56,018.20x = 77,304.12 × 30,524.75
  4. Step 4: Simplify right side
    56,018.20x = 2,359,688,897.57
  5. Step 5: Solve for x
    x = 2,359,688,897.57/56,018.20
  6. Step 6: Final answer
    x = 42,123.61

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1.5x scale

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.