Home / 31,499.88-43,470.36-17,352.74

Finding the Fourth Proportional to 31,499.88, 43,470.36 and 17,352.74

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Solution

The fourth proportional to 31,499.88, 43,470.36 and 17,352.74 is: 23,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.88 : 43,470.36 = 17,352.74 : x
  2. Step 2: Convert to fraction form
    31,499.88/43,470.36 = 17,352.74/x
  3. Step 3: Cross multiply
    31,499.88x = 43,470.36 × 17,352.74
  4. Step 4: Simplify right side
    31,499.88x = 754,329,854.79
  5. Step 5: Solve for x
    x = 754,329,854.79/31,499.88
  6. Step 6: Final answer
    x = 23,947.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.