Home / 45,417.60-67,996.80-40,233.60

Finding the Fourth Proportional to 45,417.60, 67,996.80 and 40,233.60

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Solution

The fourth proportional to 45,417.60, 67,996.80 and 40,233.60 is: 60,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.60 : 67,996.80 = 40,233.60 : x
  2. Step 2: Convert to fraction form
    45,417.60/67,996.80 = 40,233.60/x
  3. Step 3: Cross multiply
    45,417.60x = 67,996.80 × 40,233.60
  4. Step 4: Simplify right side
    45,417.60x = 2,735,756,052.48
  5. Step 5: Solve for x
    x = 2,735,756,052.48/45,417.60
  6. Step 6: Final answer
    x = 60,235.59

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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.