Home / 31,451.73-47,176.07-11,728.75

Finding the Fourth Proportional to 31,451.73, 47,176.07 and 11,728.75

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Solution

The fourth proportional to 31,451.73, 47,176.07 and 11,728.75 is: 17,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.73 : 47,176.07 = 11,728.75 : x
  2. Step 2: Convert to fraction form
    31,451.73/47,176.07 = 11,728.75/x
  3. Step 3: Cross multiply
    31,451.73x = 47,176.07 × 11,728.75
  4. Step 4: Simplify right side
    31,451.73x = 553,316,331.01
  5. Step 5: Solve for x
    x = 553,316,331.01/31,451.73
  6. Step 6: Final answer
    x = 17,592.56

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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.