Home / 31,399.88-43,332.14-17,253.02

Finding the Fourth Proportional to 31,399.88, 43,332.14 and 17,253.02

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Solution

The fourth proportional to 31,399.88, 43,332.14 and 17,253.02 is: 23,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.88 : 43,332.14 = 17,253.02 : x
  2. Step 2: Convert to fraction form
    31,399.88/43,332.14 = 17,253.02/x
  3. Step 3: Cross multiply
    31,399.88x = 43,332.14 × 17,253.02
  4. Step 4: Simplify right side
    31,399.88x = 747,610,429.53
  5. Step 5: Solve for x
    x = 747,610,429.53/31,399.88
  6. Step 6: Final answer
    x = 23,809.34

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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.