Home / 40,458.42-60,686.10-12,377.34

Finding the Fourth Proportional to 40,458.42, 60,686.10 and 12,377.34

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Solution

The fourth proportional to 40,458.42, 60,686.10 and 12,377.34 is: 18,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.42 : 60,686.10 = 12,377.34 : x
  2. Step 2: Convert to fraction form
    40,458.42/60,686.10 = 12,377.34/x
  3. Step 3: Cross multiply
    40,458.42x = 60,686.10 × 12,377.34
  4. Step 4: Simplify right side
    40,458.42x = 751,132,492.97
  5. Step 5: Solve for x
    x = 751,132,492.97/40,458.42
  6. Step 6: Final answer
    x = 18,565.54

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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.