Home / 40,148.04-60,221.52-12,446.04

Finding the Fourth Proportional to 40,148.04, 60,221.52 and 12,446.04

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Solution

The fourth proportional to 40,148.04, 60,221.52 and 12,446.04 is: 18,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.04 : 60,221.52 = 12,446.04 : x
  2. Step 2: Convert to fraction form
    40,148.04/60,221.52 = 12,446.04/x
  3. Step 3: Cross multiply
    40,148.04x = 60,221.52 × 12,446.04
  4. Step 4: Simplify right side
    40,148.04x = 749,519,446.78
  5. Step 5: Solve for x
    x = 749,519,446.78/40,148.04
  6. Step 6: Final answer
    x = 18,668.89

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1.5x scale

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.