Home / 43,909.29-65,852.19-12,317.47

Finding the Fourth Proportional to 43,909.29, 65,852.19 and 12,317.47

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Solution

The fourth proportional to 43,909.29, 65,852.19 and 12,317.47 is: 18,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.29 : 65,852.19 = 12,317.47 : x
  2. Step 2: Convert to fraction form
    43,909.29/65,852.19 = 12,317.47/x
  3. Step 3: Cross multiply
    43,909.29x = 65,852.19 × 12,317.47
  4. Step 4: Simplify right side
    43,909.29x = 811,132,210.13
  5. Step 5: Solve for x
    x = 811,132,210.13/43,909.29
  6. Step 6: Final answer
    x = 18,472.91

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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.