Home / 40,192.16-60,272.80-19,115.96

Finding the Fourth Proportional to 40,192.16, 60,272.80 and 19,115.96

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Solution

The fourth proportional to 40,192.16, 60,272.80 and 19,115.96 is: 28,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192.16 : 60,272.80 = 19,115.96 : x
  2. Step 2: Convert to fraction form
    40,192.16/60,272.80 = 19,115.96/x
  3. Step 3: Cross multiply
    40,192.16x = 60,272.80 × 19,115.96
  4. Step 4: Simplify right side
    40,192.16x = 1,152,172,536.78
  5. Step 5: Solve for x
    x = 1,152,172,536.78/40,192.16
  6. Step 6: Final answer
    x = 28,666.60

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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.