Home / 39,806.72-59,720.11-14,847.59

Finding the Fourth Proportional to 39,806.72, 59,720.11 and 14,847.59

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Solution

The fourth proportional to 39,806.72, 59,720.11 and 14,847.59 is: 22,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.72 : 59,720.11 = 14,847.59 : x
  2. Step 2: Convert to fraction form
    39,806.72/59,720.11 = 14,847.59/x
  3. Step 3: Cross multiply
    39,806.72x = 59,720.11 × 14,847.59
  4. Step 4: Simplify right side
    39,806.72x = 886,699,372.32
  5. Step 5: Solve for x
    x = 886,699,372.32/39,806.72
  6. Step 6: Final answer
    x = 22,275.12

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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.