Home / 40,212.45-60,300.45-15,244.20

Finding the Fourth Proportional to 40,212.45, 60,300.45 and 15,244.20

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Solution

The fourth proportional to 40,212.45, 60,300.45 and 15,244.20 is: 22,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.45 : 60,300.45 = 15,244.20 : x
  2. Step 2: Convert to fraction form
    40,212.45/60,300.45 = 15,244.20/x
  3. Step 3: Cross multiply
    40,212.45x = 60,300.45 × 15,244.20
  4. Step 4: Simplify right side
    40,212.45x = 919,232,119.89
  5. Step 5: Solve for x
    x = 919,232,119.89/40,212.45
  6. Step 6: Final answer
    x = 22,859.39

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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.