Home / 64,831.40-89,380.68-48,629.84

Finding the Fourth Proportional to 64,831.40, 89,380.68 and 48,629.84

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Solution

The fourth proportional to 64,831.40, 89,380.68 and 48,629.84 is: 67,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.40 : 89,380.68 = 48,629.84 : x
  2. Step 2: Convert to fraction form
    64,831.40/89,380.68 = 48,629.84/x
  3. Step 3: Cross multiply
    64,831.40x = 89,380.68 × 48,629.84
  4. Step 4: Simplify right side
    64,831.40x = 4,346,568,167.49
  5. Step 5: Solve for x
    x = 4,346,568,167.49/64,831.40
  6. Step 6: Final answer
    x = 67,044.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.