Home / 40,295.40-60,378.30-25,477.80

Finding the Fourth Proportional to 40,295.40, 60,378.30 and 25,477.80

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Solution

The fourth proportional to 40,295.40, 60,378.30 and 25,477.80 is: 38,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.40 : 60,378.30 = 25,477.80 : x
  2. Step 2: Convert to fraction form
    40,295.40/60,378.30 = 25,477.80/x
  3. Step 3: Cross multiply
    40,295.40x = 60,378.30 × 25,477.80
  4. Step 4: Simplify right side
    40,295.40x = 1,538,306,251.74
  5. Step 5: Solve for x
    x = 1,538,306,251.74/40,295.40
  6. Step 6: Final answer
    x = 38,175.73

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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.