Home / 31,540.19-47,302.18-9,348.31

Finding the Fourth Proportional to 31,540.19, 47,302.18 and 9,348.31

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Solution

The fourth proportional to 31,540.19, 47,302.18 and 9,348.31 is: 14,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.19 : 47,302.18 = 9,348.31 : x
  2. Step 2: Convert to fraction form
    31,540.19/47,302.18 = 9,348.31/x
  3. Step 3: Cross multiply
    31,540.19x = 47,302.18 × 9,348.31
  4. Step 4: Simplify right side
    31,540.19x = 442,195,478.07
  5. Step 5: Solve for x
    x = 442,195,478.07/31,540.19
  6. Step 6: Final answer
    x = 14,020.07

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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.