Home / 40,162.65-60,281.24-28,929.57

Finding the Fourth Proportional to 40,162.65, 60,281.24 and 28,929.57

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Solution

The fourth proportional to 40,162.65, 60,281.24 and 28,929.57 is: 43,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.65 : 60,281.24 = 28,929.57 : x
  2. Step 2: Convert to fraction form
    40,162.65/60,281.24 = 28,929.57/x
  3. Step 3: Cross multiply
    40,162.65x = 60,281.24 × 28,929.57
  4. Step 4: Simplify right side
    40,162.65x = 1,743,910,352.27
  5. Step 5: Solve for x
    x = 1,743,910,352.27/40,162.65
  6. Step 6: Final answer
    x = 43,421.20

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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.