Home / 40,228.80-60,343.20-25,454.40

Finding the Fourth Proportional to 40,228.80, 60,343.20 and 25,454.40

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Solution

The fourth proportional to 40,228.80, 60,343.20 and 25,454.40 is: 38,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.80 : 60,343.20 = 25,454.40 : x
  2. Step 2: Convert to fraction form
    40,228.80/60,343.20 = 25,454.40/x
  3. Step 3: Cross multiply
    40,228.80x = 60,343.20 × 25,454.40
  4. Step 4: Simplify right side
    40,228.80x = 1,535,999,950.08
  5. Step 5: Solve for x
    x = 1,535,999,950.08/40,228.80
  6. Step 6: Final answer
    x = 38,181.60

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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.