Home / 40,396.73-60,607.47-20,689.13

Finding the Fourth Proportional to 40,396.73, 60,607.47 and 20,689.13

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Solution

The fourth proportional to 40,396.73, 60,607.47 and 20,689.13 is: 31,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,396.73 : 60,607.47 = 20,689.13 : x
  2. Step 2: Convert to fraction form
    40,396.73/60,607.47 = 20,689.13/x
  3. Step 3: Cross multiply
    40,396.73x = 60,607.47 × 20,689.13
  4. Step 4: Simplify right side
    40,396.73x = 1,253,915,825.80
  5. Step 5: Solve for x
    x = 1,253,915,825.80/40,396.73
  6. Step 6: Final answer
    x = 31,040.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.