Home / 31,406.76-47,117.06-17,387.24

Finding the Fourth Proportional to 31,406.76, 47,117.06 and 17,387.24

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Solution

The fourth proportional to 31,406.76, 47,117.06 and 17,387.24 is: 26,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.76 : 47,117.06 = 17,387.24 : x
  2. Step 2: Convert to fraction form
    31,406.76/47,117.06 = 17,387.24/x
  3. Step 3: Cross multiply
    31,406.76x = 47,117.06 × 17,387.24
  4. Step 4: Simplify right side
    31,406.76x = 819,235,630.31
  5. Step 5: Solve for x
    x = 819,235,630.31/31,406.76
  6. Step 6: Final answer
    x = 26,084.69

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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.