Home / 42,022.38-57,988.26-23,159.64

Finding the Fourth Proportional to 42,022.38, 57,988.26 and 23,159.64

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Solution

The fourth proportional to 42,022.38, 57,988.26 and 23,159.64 is: 31,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.38 : 57,988.26 = 23,159.64 : x
  2. Step 2: Convert to fraction form
    42,022.38/57,988.26 = 23,159.64/x
  3. Step 3: Cross multiply
    42,022.38x = 57,988.26 × 23,159.64
  4. Step 4: Simplify right side
    42,022.38x = 1,342,987,225.83
  5. Step 5: Solve for x
    x = 1,342,987,225.83/42,022.38
  6. Step 6: Final answer
    x = 31,958.86

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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.