Home / 40,272.30-60,408.45-39,689.10

Finding the Fourth Proportional to 40,272.30, 60,408.45 and 39,689.10

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Solution

The fourth proportional to 40,272.30, 60,408.45 and 39,689.10 is: 59,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.30 : 60,408.45 = 39,689.10 : x
  2. Step 2: Convert to fraction form
    40,272.30/60,408.45 = 39,689.10/x
  3. Step 3: Cross multiply
    40,272.30x = 60,408.45 × 39,689.10
  4. Step 4: Simplify right side
    40,272.30x = 2,397,557,012.90
  5. Step 5: Solve for x
    x = 2,397,557,012.90/40,272.30
  6. Step 6: Final answer
    x = 59,533.65

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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.