Home / 31,632.49-47,419.39-15,000.31

Finding the Fourth Proportional to 31,632.49, 47,419.39 and 15,000.31

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Solution

The fourth proportional to 31,632.49, 47,419.39 and 15,000.31 is: 22,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.49 : 47,419.39 = 15,000.31 : x
  2. Step 2: Convert to fraction form
    31,632.49/47,419.39 = 15,000.31/x
  3. Step 3: Cross multiply
    31,632.49x = 47,419.39 × 15,000.31
  4. Step 4: Simplify right side
    31,632.49x = 711,305,550.01
  5. Step 5: Solve for x
    x = 711,305,550.01/31,632.49
  6. Step 6: Final answer
    x = 22,486.55

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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.