Home / 56,290.74-84,446.40-18,847.14

Finding the Fourth Proportional to 56,290.74, 84,446.40 and 18,847.14

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Solution

The fourth proportional to 56,290.74, 84,446.40 and 18,847.14 is: 28,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.74 : 84,446.40 = 18,847.14 : x
  2. Step 2: Convert to fraction form
    56,290.74/84,446.40 = 18,847.14/x
  3. Step 3: Cross multiply
    56,290.74x = 84,446.40 × 18,847.14
  4. Step 4: Simplify right side
    56,290.74x = 1,591,573,123.30
  5. Step 5: Solve for x
    x = 1,591,573,123.30/56,290.74
  6. Step 6: Final answer
    x = 28,274.16

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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.