Home / 40,170.80-55,434.75-23,175.08

Finding the Fourth Proportional to 40,170.80, 55,434.75 and 23,175.08

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Solution

The fourth proportional to 40,170.80, 55,434.75 and 23,175.08 is: 31,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.80 : 55,434.75 = 23,175.08 : x
  2. Step 2: Convert to fraction form
    40,170.80/55,434.75 = 23,175.08/x
  3. Step 3: Cross multiply
    40,170.80x = 55,434.75 × 23,175.08
  4. Step 4: Simplify right side
    40,170.80x = 1,284,704,488.86
  5. Step 5: Solve for x
    x = 1,284,704,488.86/40,170.80
  6. Step 6: Final answer
    x = 31,981.06

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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.