Home / 39,748.60-59,720.10-29,907.10

Finding the Fourth Proportional to 39,748.60, 59,720.10 and 29,907.10

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Solution

The fourth proportional to 39,748.60, 59,720.10 and 29,907.10 is: 44,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.60 : 59,720.10 = 29,907.10 : x
  2. Step 2: Convert to fraction form
    39,748.60/59,720.10 = 29,907.10/x
  3. Step 3: Cross multiply
    39,748.60x = 59,720.10 × 29,907.10
  4. Step 4: Simplify right side
    39,748.60x = 1,786,055,002.71
  5. Step 5: Solve for x
    x = 1,786,055,002.71/39,748.60
  6. Step 6: Final answer
    x = 44,933.78

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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.