Home / 40,409.40-60,585.30-15,439.80

Finding the Fourth Proportional to 40,409.40, 60,585.30 and 15,439.80

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Solution

The fourth proportional to 40,409.40, 60,585.30 and 15,439.80 is: 23,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,409.40 : 60,585.30 = 15,439.80 : x
  2. Step 2: Convert to fraction form
    40,409.40/60,585.30 = 15,439.80/x
  3. Step 3: Cross multiply
    40,409.40x = 60,585.30 × 15,439.80
  4. Step 4: Simplify right side
    40,409.40x = 935,424,914.94
  5. Step 5: Solve for x
    x = 935,424,914.94/40,409.40
  6. Step 6: Final answer
    x = 23,148.70

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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.