Home / 40,106.10-60,159.15-12,404.10

Finding the Fourth Proportional to 40,106.10, 60,159.15 and 12,404.10

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Solution

The fourth proportional to 40,106.10, 60,159.15 and 12,404.10 is: 18,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.10 : 60,159.15 = 12,404.10 : x
  2. Step 2: Convert to fraction form
    40,106.10/60,159.15 = 12,404.10/x
  3. Step 3: Cross multiply
    40,106.10x = 60,159.15 × 12,404.10
  4. Step 4: Simplify right side
    40,106.10x = 746,220,112.52
  5. Step 5: Solve for x
    x = 746,220,112.52/40,106.10
  6. Step 6: Final answer
    x = 18,606.15

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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.