Home / 31,674.48-47,498.76-11,943.12

Finding the Fourth Proportional to 31,674.48, 47,498.76 and 11,943.12

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Solution

The fourth proportional to 31,674.48, 47,498.76 and 11,943.12 is: 17,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.48 : 47,498.76 = 11,943.12 : x
  2. Step 2: Convert to fraction form
    31,674.48/47,498.76 = 11,943.12/x
  3. Step 3: Cross multiply
    31,674.48x = 47,498.76 × 11,943.12
  4. Step 4: Simplify right side
    31,674.48x = 567,283,390.53
  5. Step 5: Solve for x
    x = 567,283,390.53/31,674.48
  6. Step 6: Final answer
    x = 17,909.79

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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.