Home / 42,630.60-63,869.10-36,025.80

Finding the Fourth Proportional to 42,630.60, 63,869.10 and 36,025.80

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Solution

The fourth proportional to 42,630.60, 63,869.10 and 36,025.80 is: 53,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630.60 : 63,869.10 = 36,025.80 : x
  2. Step 2: Convert to fraction form
    42,630.60/63,869.10 = 36,025.80/x
  3. Step 3: Cross multiply
    42,630.60x = 63,869.10 × 36,025.80
  4. Step 4: Simplify right side
    42,630.60x = 2,300,935,422.78
  5. Step 5: Solve for x
    x = 2,300,935,422.78/42,630.60
  6. Step 6: Final answer
    x = 53,973.80

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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.