Home / 40,995.20-61,492.80-40,217.60

Finding the Fourth Proportional to 40,995.20, 61,492.80 and 40,217.60

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Solution

The fourth proportional to 40,995.20, 61,492.80 and 40,217.60 is: 60,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.20 : 61,492.80 = 40,217.60 : x
  2. Step 2: Convert to fraction form
    40,995.20/61,492.80 = 40,217.60/x
  3. Step 3: Cross multiply
    40,995.20x = 61,492.80 × 40,217.60
  4. Step 4: Simplify right side
    40,995.20x = 2,473,092,833.28
  5. Step 5: Solve for x
    x = 2,473,092,833.28/40,995.20
  6. Step 6: Final answer
    x = 60,326.40

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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.