Home / 31,637.74-47,459.86-11,932.88

Finding the Fourth Proportional to 31,637.74, 47,459.86 and 11,932.88

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Solution

The fourth proportional to 31,637.74, 47,459.86 and 11,932.88 is: 17,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.74 : 47,459.86 = 11,932.88 : x
  2. Step 2: Convert to fraction form
    31,637.74/47,459.86 = 11,932.88/x
  3. Step 3: Cross multiply
    31,637.74x = 47,459.86 × 11,932.88
  4. Step 4: Simplify right side
    31,637.74x = 566,332,814.20
  5. Step 5: Solve for x
    x = 566,332,814.20/31,637.74
  6. Step 6: Final answer
    x = 17,900.55

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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.