Home / 42,009.24-57,972.90-23,146.36

Finding the Fourth Proportional to 42,009.24, 57,972.90 and 23,146.36

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Solution

The fourth proportional to 42,009.24, 57,972.90 and 23,146.36 is: 31,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.24 : 57,972.90 = 23,146.36 : x
  2. Step 2: Convert to fraction form
    42,009.24/57,972.90 = 23,146.36/x
  3. Step 3: Cross multiply
    42,009.24x = 57,972.90 × 23,146.36
  4. Step 4: Simplify right side
    42,009.24x = 1,341,861,613.64
  5. Step 5: Solve for x
    x = 1,341,861,613.64/42,009.24
  6. Step 6: Final answer
    x = 31,942.06

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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.