Home / 42,022.85-57,991.53-23,159.97

Finding the Fourth Proportional to 42,022.85, 57,991.53 and 23,159.97

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Solution

The fourth proportional to 42,022.85, 57,991.53 and 23,159.97 is: 31,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.85 : 57,991.53 = 23,159.97 : x
  2. Step 2: Convert to fraction form
    42,022.85/57,991.53 = 23,159.97/x
  3. Step 3: Cross multiply
    42,022.85x = 57,991.53 × 23,159.97
  4. Step 4: Simplify right side
    42,022.85x = 1,343,082,095.05
  5. Step 5: Solve for x
    x = 1,343,082,095.05/42,022.85
  6. Step 6: Final answer
    x = 31,960.76

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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.