Home / 43,757.40-65,628.18-12,585

Finding the Fourth Proportional to 43,757.40, 65,628.18 and 12,585

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Solution

The fourth proportional to 43,757.40, 65,628.18 and 12,585 is: 18,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,757.40 : 65,628.18 = 12,585 : x
  2. Step 2: Convert to fraction form
    43,757.40/65,628.18 = 12,585/x
  3. Step 3: Cross multiply
    43,757.40x = 65,628.18 × 12,585
  4. Step 4: Simplify right side
    43,757.40x = 825,930,645.30
  5. Step 5: Solve for x
    x = 825,930,645.30/43,757.40
  6. Step 6: Final answer
    x = 18,875.22

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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.