Home / 42,000.99-57,961.36-23,138.11

Finding the Fourth Proportional to 42,000.99, 57,961.36 and 23,138.11

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Solution

The fourth proportional to 42,000.99, 57,961.36 and 23,138.11 is: 31,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.99 : 57,961.36 = 23,138.11 : x
  2. Step 2: Convert to fraction form
    42,000.99/57,961.36 = 23,138.11/x
  3. Step 3: Cross multiply
    42,000.99x = 57,961.36 × 23,138.11
  4. Step 4: Simplify right side
    42,000.99x = 1,341,116,652.90
  5. Step 5: Solve for x
    x = 1,341,116,652.90/42,000.99
  6. Step 6: Final answer
    x = 31,930.60

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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.