Home / 40,282.40-60,423.60-39,591.20

Finding the Fourth Proportional to 40,282.40, 60,423.60 and 39,591.20

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Solution

The fourth proportional to 40,282.40, 60,423.60 and 39,591.20 is: 59,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.40 : 60,423.60 = 39,591.20 : x
  2. Step 2: Convert to fraction form
    40,282.40/60,423.60 = 39,591.20/x
  3. Step 3: Cross multiply
    40,282.40x = 60,423.60 × 39,591.20
  4. Step 4: Simplify right side
    40,282.40x = 2,392,242,832.32
  5. Step 5: Solve for x
    x = 2,392,242,832.32/40,282.40
  6. Step 6: Final answer
    x = 59,386.80

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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.