Home / 39,831.20-59,746.80-33,687.20

Finding the Fourth Proportional to 39,831.20, 59,746.80 and 33,687.20

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Solution

The fourth proportional to 39,831.20, 59,746.80 and 33,687.20 is: 50,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.20 : 59,746.80 = 33,687.20 : x
  2. Step 2: Convert to fraction form
    39,831.20/59,746.80 = 33,687.20/x
  3. Step 3: Cross multiply
    39,831.20x = 59,746.80 × 33,687.20
  4. Step 4: Simplify right side
    39,831.20x = 2,012,702,400.96
  5. Step 5: Solve for x
    x = 2,012,702,400.96/39,831.20
  6. Step 6: Final answer
    x = 50,530.80

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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.