Home / 40,029.12-60,048-16,642.56

Finding the Fourth Proportional to 40,029.12, 60,048 and 16,642.56

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Solution

The fourth proportional to 40,029.12, 60,048 and 16,642.56 is: 24,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.12 : 60,048 = 16,642.56 : x
  2. Step 2: Convert to fraction form
    40,029.12/60,048 = 16,642.56/x
  3. Step 3: Cross multiply
    40,029.12x = 60,048 × 16,642.56
  4. Step 4: Simplify right side
    40,029.12x = 999,352,442.88
  5. Step 5: Solve for x
    x = 999,352,442.88/40,029.12
  6. Step 6: Final answer
    x = 24,965.64

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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.