Home / 38,743.38-58,113.02-12,446.08

Finding the Fourth Proportional to 38,743.38, 58,113.02 and 12,446.08

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Solution

The fourth proportional to 38,743.38, 58,113.02 and 12,446.08 is: 18,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.38 : 58,113.02 = 12,446.08 : x
  2. Step 2: Convert to fraction form
    38,743.38/58,113.02 = 12,446.08/x
  3. Step 3: Cross multiply
    38,743.38x = 58,113.02 × 12,446.08
  4. Step 4: Simplify right side
    38,743.38x = 723,279,181.79
  5. Step 5: Solve for x
    x = 723,279,181.79/38,743.38
  6. Step 6: Final answer
    x = 18,668.46

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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.