Home / 31,508.92-43,480.74-17,359.48

Finding the Fourth Proportional to 31,508.92, 43,480.74 and 17,359.48

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Solution

The fourth proportional to 31,508.92, 43,480.74 and 17,359.48 is: 23,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.92 : 43,480.74 = 17,359.48 : x
  2. Step 2: Convert to fraction form
    31,508.92/43,480.74 = 17,359.48/x
  3. Step 3: Cross multiply
    31,508.92x = 43,480.74 × 17,359.48
  4. Step 4: Simplify right side
    31,508.92x = 754,803,036.42
  5. Step 5: Solve for x
    x = 754,803,036.42/31,508.92
  6. Step 6: Final answer
    x = 23,955.22

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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.