Home / 40,215.54-60,284.10-19,149.93

Finding the Fourth Proportional to 40,215.54, 60,284.10 and 19,149.93

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Solution

The fourth proportional to 40,215.54, 60,284.10 and 19,149.93 is: 28,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.54 : 60,284.10 = 19,149.93 : x
  2. Step 2: Convert to fraction form
    40,215.54/60,284.10 = 19,149.93/x
  3. Step 3: Cross multiply
    40,215.54x = 60,284.10 × 19,149.93
  4. Step 4: Simplify right side
    40,215.54x = 1,154,436,295.11
  5. Step 5: Solve for x
    x = 1,154,436,295.11/40,215.54
  6. Step 6: Final answer
    x = 28,706.22

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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.