Home / 40,282.80-60,424.20-38,576.40

Finding the Fourth Proportional to 40,282.80, 60,424.20 and 38,576.40

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Solution

The fourth proportional to 40,282.80, 60,424.20 and 38,576.40 is: 57,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.80 : 60,424.20 = 38,576.40 : x
  2. Step 2: Convert to fraction form
    40,282.80/60,424.20 = 38,576.40/x
  3. Step 3: Cross multiply
    40,282.80x = 60,424.20 × 38,576.40
  4. Step 4: Simplify right side
    40,282.80x = 2,330,948,108.88
  5. Step 5: Solve for x
    x = 2,330,948,108.88/40,282.80
  6. Step 6: Final answer
    x = 57,864.60

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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.