Home / 39,990.20-59,831.70-26,166.20

Finding the Fourth Proportional to 39,990.20, 59,831.70 and 26,166.20

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Solution

The fourth proportional to 39,990.20, 59,831.70 and 26,166.20 is: 39,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,990.20 : 59,831.70 = 26,166.20 : x
  2. Step 2: Convert to fraction form
    39,990.20/59,831.70 = 26,166.20/x
  3. Step 3: Cross multiply
    39,990.20x = 59,831.70 × 26,166.20
  4. Step 4: Simplify right side
    39,990.20x = 1,565,568,228.54
  5. Step 5: Solve for x
    x = 1,565,568,228.54/39,990.20
  6. Step 6: Final answer
    x = 39,148.80

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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.