Home / 40,660.20-60,990.30-26,708.40

Finding the Fourth Proportional to 40,660.20, 60,990.30 and 26,708.40

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Solution

The fourth proportional to 40,660.20, 60,990.30 and 26,708.40 is: 40,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.20 : 60,990.30 = 26,708.40 : x
  2. Step 2: Convert to fraction form
    40,660.20/60,990.30 = 26,708.40/x
  3. Step 3: Cross multiply
    40,660.20x = 60,990.30 × 26,708.40
  4. Step 4: Simplify right side
    40,660.20x = 1,628,953,328.52
  5. Step 5: Solve for x
    x = 1,628,953,328.52/40,660.20
  6. Step 6: Final answer
    x = 40,062.60

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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.