Home / 42,657.40-63,986.10-33,748.60

Finding the Fourth Proportional to 42,657.40, 63,986.10 and 33,748.60

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Solution

The fourth proportional to 42,657.40, 63,986.10 and 33,748.60 is: 50,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.40 : 63,986.10 = 33,748.60 : x
  2. Step 2: Convert to fraction form
    42,657.40/63,986.10 = 33,748.60/x
  3. Step 3: Cross multiply
    42,657.40x = 63,986.10 × 33,748.60
  4. Step 4: Simplify right side
    42,657.40x = 2,159,441,294.46
  5. Step 5: Solve for x
    x = 2,159,441,294.46/42,657.40
  6. Step 6: Final answer
    x = 50,622.90

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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.