Home / 31,581.41-47,335.17-17,534.70

Finding the Fourth Proportional to 31,581.41, 47,335.17 and 17,534.70

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Solution

The fourth proportional to 31,581.41, 47,335.17 and 17,534.70 is: 26,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.41 : 47,335.17 = 17,534.70 : x
  2. Step 2: Convert to fraction form
    31,581.41/47,335.17 = 17,534.70/x
  3. Step 3: Cross multiply
    31,581.41x = 47,335.17 × 17,534.70
  4. Step 4: Simplify right side
    31,581.41x = 830,008,005.40
  5. Step 5: Solve for x
    x = 830,008,005.40/31,581.41
  6. Step 6: Final answer
    x = 26,281.54

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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.