Home / 31,282.76-43,168.98-17,135.24

Finding the Fourth Proportional to 31,282.76, 43,168.98 and 17,135.24

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Solution

The fourth proportional to 31,282.76, 43,168.98 and 17,135.24 is: 23,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.76 : 43,168.98 = 17,135.24 : x
  2. Step 2: Convert to fraction form
    31,282.76/43,168.98 = 17,135.24/x
  3. Step 3: Cross multiply
    31,282.76x = 43,168.98 × 17,135.24
  4. Step 4: Simplify right side
    31,282.76x = 739,710,832.86
  5. Step 5: Solve for x
    x = 739,710,832.86/31,282.76
  6. Step 6: Final answer
    x = 23,645.96

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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.