Home / 40,397.36-60,604.74-12,316.64

Finding the Fourth Proportional to 40,397.36, 60,604.74 and 12,316.64

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Solution

The fourth proportional to 40,397.36, 60,604.74 and 12,316.64 is: 18,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.36 : 60,604.74 = 12,316.64 : x
  2. Step 2: Convert to fraction form
    40,397.36/60,604.74 = 12,316.64/x
  3. Step 3: Cross multiply
    40,397.36x = 60,604.74 × 12,316.64
  4. Step 4: Simplify right side
    40,397.36x = 746,446,461.85
  5. Step 5: Solve for x
    x = 746,446,461.85/40,397.36
  6. Step 6: Final answer
    x = 18,477.61

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1.5x scale

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.