Home / 31,126.74-42,958.50-17,330.46

Finding the Fourth Proportional to 31,126.74, 42,958.50 and 17,330.46

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Solution

The fourth proportional to 31,126.74, 42,958.50 and 17,330.46 is: 23,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.74 : 42,958.50 = 17,330.46 : x
  2. Step 2: Convert to fraction form
    31,126.74/42,958.50 = 17,330.46/x
  3. Step 3: Cross multiply
    31,126.74x = 42,958.50 × 17,330.46
  4. Step 4: Simplify right side
    31,126.74x = 744,490,565.91
  5. Step 5: Solve for x
    x = 744,490,565.91/31,126.74
  6. Step 6: Final answer
    x = 23,918.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.