Home / 38,040.55-52,495.02-21,045.75

Finding the Fourth Proportional to 38,040.55, 52,495.02 and 21,045.75

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Solution

The fourth proportional to 38,040.55, 52,495.02 and 21,045.75 is: 29,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.55 : 52,495.02 = 21,045.75 : x
  2. Step 2: Convert to fraction form
    38,040.55/52,495.02 = 21,045.75/x
  3. Step 3: Cross multiply
    38,040.55x = 52,495.02 × 21,045.75
  4. Step 4: Simplify right side
    38,040.55x = 1,104,797,067.17
  5. Step 5: Solve for x
    x = 1,104,797,067.17/38,040.55
  6. Step 6: Final answer
    x = 29,042.62

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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.