Home / 40,158.62-60,236.45-19,113.74

Finding the Fourth Proportional to 40,158.62, 60,236.45 and 19,113.74

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Solution

The fourth proportional to 40,158.62, 60,236.45 and 19,113.74 is: 28,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.62 : 60,236.45 = 19,113.74 : x
  2. Step 2: Convert to fraction form
    40,158.62/60,236.45 = 19,113.74/x
  3. Step 3: Cross multiply
    40,158.62x = 60,236.45 × 19,113.74
  4. Step 4: Simplify right side
    40,158.62x = 1,151,343,748.25
  5. Step 5: Solve for x
    x = 1,151,343,748.25/40,158.62
  6. Step 6: Final answer
    x = 28,669.90

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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.