Home / 42,340.59-63,535.49-18,967.03

Finding the Fourth Proportional to 42,340.59, 63,535.49 and 18,967.03

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Solution

The fourth proportional to 42,340.59, 63,535.49 and 18,967.03 is: 28,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,340.59 : 63,535.49 = 18,967.03 : x
  2. Step 2: Convert to fraction form
    42,340.59/63,535.49 = 18,967.03/x
  3. Step 3: Cross multiply
    42,340.59x = 63,535.49 × 18,967.03
  4. Step 4: Simplify right side
    42,340.59x = 1,205,079,540.75
  5. Step 5: Solve for x
    x = 1,205,079,540.75/42,340.59
  6. Step 6: Final answer
    x = 28,461.57

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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.