Home / 43,831.20-65,617.20-39,165.60

Finding the Fourth Proportional to 43,831.20, 65,617.20 and 39,165.60

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Solution

The fourth proportional to 43,831.20, 65,617.20 and 39,165.60 is: 58,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.20 : 65,617.20 = 39,165.60 : x
  2. Step 2: Convert to fraction form
    43,831.20/65,617.20 = 39,165.60/x
  3. Step 3: Cross multiply
    43,831.20x = 65,617.20 × 39,165.60
  4. Step 4: Simplify right side
    43,831.20x = 2,569,937,008.32
  5. Step 5: Solve for x
    x = 2,569,937,008.32/43,831.20
  6. Step 6: Final answer
    x = 58,632.60

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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.