Home / 31,424.55-43,366.04-17,278.30

Finding the Fourth Proportional to 31,424.55, 43,366.04 and 17,278.30

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Solution

The fourth proportional to 31,424.55, 43,366.04 and 17,278.30 is: 23,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.55 : 43,366.04 = 17,278.30 : x
  2. Step 2: Convert to fraction form
    31,424.55/43,366.04 = 17,278.30/x
  3. Step 3: Cross multiply
    31,424.55x = 43,366.04 × 17,278.30
  4. Step 4: Simplify right side
    31,424.55x = 749,291,448.93
  5. Step 5: Solve for x
    x = 749,291,448.93/31,424.55
  6. Step 6: Final answer
    x = 23,844.14

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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.