Home / 31,434.23-47,150.12-10,657.73

Finding the Fourth Proportional to 31,434.23, 47,150.12 and 10,657.73

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Solution

The fourth proportional to 31,434.23, 47,150.12 and 10,657.73 is: 15,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.23 : 47,150.12 = 10,657.73 : x
  2. Step 2: Convert to fraction form
    31,434.23/47,150.12 = 10,657.73/x
  3. Step 3: Cross multiply
    31,434.23x = 47,150.12 × 10,657.73
  4. Step 4: Simplify right side
    31,434.23x = 502,513,392.95
  5. Step 5: Solve for x
    x = 502,513,392.95/31,434.23
  6. Step 6: Final answer
    x = 15,986.18

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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.