Home / 42,000.24-57,959.64-23,139.12

Finding the Fourth Proportional to 42,000.24, 57,959.64 and 23,139.12

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Solution

The fourth proportional to 42,000.24, 57,959.64 and 23,139.12 is: 31,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.24 : 57,959.64 = 23,139.12 : x
  2. Step 2: Convert to fraction form
    42,000.24/57,959.64 = 23,139.12/x
  3. Step 3: Cross multiply
    42,000.24x = 57,959.64 × 23,139.12
  4. Step 4: Simplify right side
    42,000.24x = 1,341,135,065.12
  5. Step 5: Solve for x
    x = 1,341,135,065.12/42,000.24
  6. Step 6: Final answer
    x = 31,931.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.