Home / 42,004.10-57,965-23,141.90

Finding the Fourth Proportional to 42,004.10, 57,965 and 23,141.90

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Solution

The fourth proportional to 42,004.10, 57,965 and 23,141.90 is: 31,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,004.10 : 57,965 = 23,141.90 : x
  2. Step 2: Convert to fraction form
    42,004.10/57,965 = 23,141.90/x
  3. Step 3: Cross multiply
    42,004.10x = 57,965 × 23,141.90
  4. Step 4: Simplify right side
    42,004.10x = 1,341,420,233.50
  5. Step 5: Solve for x
    x = 1,341,420,233.50/42,004.10
  6. Step 6: Final answer
    x = 31,935.46

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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.