Home / 40,423.84-60,635.22-10,438.18

Finding the Fourth Proportional to 40,423.84, 60,635.22 and 10,438.18

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Solution

The fourth proportional to 40,423.84, 60,635.22 and 10,438.18 is: 15,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.84 : 60,635.22 = 10,438.18 : x
  2. Step 2: Convert to fraction form
    40,423.84/60,635.22 = 10,438.18/x
  3. Step 3: Cross multiply
    40,423.84x = 60,635.22 × 10,438.18
  4. Step 4: Simplify right side
    40,423.84x = 632,921,340.70
  5. Step 5: Solve for x
    x = 632,921,340.70/40,423.84
  6. Step 6: Final answer
    x = 15,657.13

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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.