Home / 40,342.20-60,659.10-39,467.40

Finding the Fourth Proportional to 40,342.20, 60,659.10 and 39,467.40

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Solution

The fourth proportional to 40,342.20, 60,659.10 and 39,467.40 is: 59,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.20 : 60,659.10 = 39,467.40 : x
  2. Step 2: Convert to fraction form
    40,342.20/60,659.10 = 39,467.40/x
  3. Step 3: Cross multiply
    40,342.20x = 60,659.10 × 39,467.40
  4. Step 4: Simplify right side
    40,342.20x = 2,394,056,963.34
  5. Step 5: Solve for x
    x = 2,394,056,963.34/40,342.20
  6. Step 6: Final answer
    x = 59,343.74

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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.