Home / 56,129.19-84,236.59-20,624.15

Finding the Fourth Proportional to 56,129.19, 84,236.59 and 20,624.15

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Solution

The fourth proportional to 56,129.19, 84,236.59 and 20,624.15 is: 30,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.19 : 84,236.59 = 20,624.15 : x
  2. Step 2: Convert to fraction form
    56,129.19/84,236.59 = 20,624.15/x
  3. Step 3: Cross multiply
    56,129.19x = 84,236.59 × 20,624.15
  4. Step 4: Simplify right side
    56,129.19x = 1,737,308,304.02
  5. Step 5: Solve for x
    x = 1,737,308,304.02/56,129.19
  6. Step 6: Final answer
    x = 30,951.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.