Home / 42,206.70-63,310.05-38,124.30

Finding the Fourth Proportional to 42,206.70, 63,310.05 and 38,124.30

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Solution

The fourth proportional to 42,206.70, 63,310.05 and 38,124.30 is: 57,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,206.70 : 63,310.05 = 38,124.30 : x
  2. Step 2: Convert to fraction form
    42,206.70/63,310.05 = 38,124.30/x
  3. Step 3: Cross multiply
    42,206.70x = 63,310.05 × 38,124.30
  4. Step 4: Simplify right side
    42,206.70x = 2,413,651,339.22
  5. Step 5: Solve for x
    x = 2,413,651,339.22/42,206.70
  6. Step 6: Final answer
    x = 57,186.45

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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.