Home / 40,397.10-60,604.38-12,316.43

Finding the Fourth Proportional to 40,397.10, 60,604.38 and 12,316.43

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Solution

The fourth proportional to 40,397.10, 60,604.38 and 12,316.43 is: 18,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.10 : 60,604.38 = 12,316.43 : x
  2. Step 2: Convert to fraction form
    40,397.10/60,604.38 = 12,316.43/x
  3. Step 3: Cross multiply
    40,397.10x = 60,604.38 × 12,316.43
  4. Step 4: Simplify right side
    40,397.10x = 746,429,300.94
  5. Step 5: Solve for x
    x = 746,429,300.94/40,397.10
  6. Step 6: Final answer
    x = 18,477.30

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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.