Home / 40,401.45-60,602.18-10,818.53

Finding the Fourth Proportional to 40,401.45, 60,602.18 and 10,818.53

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Solution

The fourth proportional to 40,401.45, 60,602.18 and 10,818.53 is: 16,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.45 : 60,602.18 = 10,818.53 : x
  2. Step 2: Convert to fraction form
    40,401.45/60,602.18 = 10,818.53/x
  3. Step 3: Cross multiply
    40,401.45x = 60,602.18 × 10,818.53
  4. Step 4: Simplify right side
    40,401.45x = 655,626,145.29
  5. Step 5: Solve for x
    x = 655,626,145.29/40,401.45
  6. Step 6: Final answer
    x = 16,227.79

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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.