Home / 42,008.02-57,971.30-23,145.14

Finding the Fourth Proportional to 42,008.02, 57,971.30 and 23,145.14

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Solution

The fourth proportional to 42,008.02, 57,971.30 and 23,145.14 is: 31,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.02 : 57,971.30 = 23,145.14 : x
  2. Step 2: Convert to fraction form
    42,008.02/57,971.30 = 23,145.14/x
  3. Step 3: Cross multiply
    42,008.02x = 57,971.30 × 23,145.14
  4. Step 4: Simplify right side
    42,008.02x = 1,341,753,883.68
  5. Step 5: Solve for x
    x = 1,341,753,883.68/42,008.02
  6. Step 6: Final answer
    x = 31,940.42

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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.