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Finding the Fourth Proportional to 40,416, 60,618.24 and 12,714.24

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Solution

The fourth proportional to 40,416, 60,618.24 and 12,714.24 is: 19,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416 : 60,618.24 = 12,714.24 : x
  2. Step 2: Convert to fraction form
    40,416/60,618.24 = 12,714.24/x
  3. Step 3: Cross multiply
    40,416x = 60,618.24 × 12,714.24
  4. Step 4: Simplify right side
    40,416x = 770,714,851.74
  5. Step 5: Solve for x
    x = 770,714,851.74/40,416
  6. Step 6: Final answer
    x = 19,069.55

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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.