Home / 40,130.90-60,184.74-12,049.82

Finding the Fourth Proportional to 40,130.90, 60,184.74 and 12,049.82

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Solution

The fourth proportional to 40,130.90, 60,184.74 and 12,049.82 is: 18,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.90 : 60,184.74 = 12,049.82 : x
  2. Step 2: Convert to fraction form
    40,130.90/60,184.74 = 12,049.82/x
  3. Step 3: Cross multiply
    40,130.90x = 60,184.74 × 12,049.82
  4. Step 4: Simplify right side
    40,130.90x = 725,215,283.75
  5. Step 5: Solve for x
    x = 725,215,283.75/40,130.90
  6. Step 6: Final answer
    x = 18,071.24

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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.