Home / 43,710.67-65,564.31-12,545.92

Finding the Fourth Proportional to 43,710.67, 65,564.31 and 12,545.92

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Solution

The fourth proportional to 43,710.67, 65,564.31 and 12,545.92 is: 18,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.67 : 65,564.31 = 12,545.92 : x
  2. Step 2: Convert to fraction form
    43,710.67/65,564.31 = 12,545.92/x
  3. Step 3: Cross multiply
    43,710.67x = 65,564.31 × 12,545.92
  4. Step 4: Simplify right side
    43,710.67x = 822,564,588.12
  5. Step 5: Solve for x
    x = 822,564,588.12/43,710.67
  6. Step 6: Final answer
    x = 18,818.39

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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.