Home / 40,300.28-60,450.35-10,718.15

Finding the Fourth Proportional to 40,300.28, 60,450.35 and 10,718.15

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Solution

The fourth proportional to 40,300.28, 60,450.35 and 10,718.15 is: 16,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.28 : 60,450.35 = 10,718.15 : x
  2. Step 2: Convert to fraction form
    40,300.28/60,450.35 = 10,718.15/x
  3. Step 3: Cross multiply
    40,300.28x = 60,450.35 × 10,718.15
  4. Step 4: Simplify right side
    40,300.28x = 647,915,793.32
  5. Step 5: Solve for x
    x = 647,915,793.32/40,300.28
  6. Step 6: Final answer
    x = 16,077.20

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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.