Home / 40,401.18-60,600.81-10,818.99

Finding the Fourth Proportional to 40,401.18, 60,600.81 and 10,818.99

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Solution

The fourth proportional to 40,401.18, 60,600.81 and 10,818.99 is: 16,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.18 : 60,600.81 = 10,818.99 : x
  2. Step 2: Convert to fraction form
    40,401.18/60,600.81 = 10,818.99/x
  3. Step 3: Cross multiply
    40,401.18x = 60,600.81 × 10,818.99
  4. Step 4: Simplify right side
    40,401.18x = 655,639,557.38
  5. Step 5: Solve for x
    x = 655,639,557.38/40,401.18
  6. Step 6: Final answer
    x = 16,228.23

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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.