Home / 42,446.70-63,670.05-23,419.80

Finding the Fourth Proportional to 42,446.70, 63,670.05 and 23,419.80

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Solution

The fourth proportional to 42,446.70, 63,670.05 and 23,419.80 is: 35,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.70 : 63,670.05 = 23,419.80 : x
  2. Step 2: Convert to fraction form
    42,446.70/63,670.05 = 23,419.80/x
  3. Step 3: Cross multiply
    42,446.70x = 63,670.05 × 23,419.80
  4. Step 4: Simplify right side
    42,446.70x = 1,491,139,836.99
  5. Step 5: Solve for x
    x = 1,491,139,836.99/42,446.70
  6. Step 6: Final answer
    x = 35,129.70

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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.