Home / 31,400.52-43,332.96-17,253.60

Finding the Fourth Proportional to 31,400.52, 43,332.96 and 17,253.60

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Solution

The fourth proportional to 31,400.52, 43,332.96 and 17,253.60 is: 23,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.52 : 43,332.96 = 17,253.60 : x
  2. Step 2: Convert to fraction form
    31,400.52/43,332.96 = 17,253.60/x
  3. Step 3: Cross multiply
    31,400.52x = 43,332.96 × 17,253.60
  4. Step 4: Simplify right side
    31,400.52x = 747,649,558.66
  5. Step 5: Solve for x
    x = 747,649,558.66/31,400.52
  6. Step 6: Final answer
    x = 23,810.10

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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.