Home / 64,831.20-89,474.40-36,539.52

Finding the Fourth Proportional to 64,831.20, 89,474.40 and 36,539.52

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Solution

The fourth proportional to 64,831.20, 89,474.40 and 36,539.52 is: 50,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.20 : 89,474.40 = 36,539.52 : x
  2. Step 2: Convert to fraction form
    64,831.20/89,474.40 = 36,539.52/x
  3. Step 3: Cross multiply
    64,831.20x = 89,474.40 × 36,539.52
  4. Step 4: Simplify right side
    64,831.20x = 3,269,351,628.29
  5. Step 5: Solve for x
    x = 3,269,351,628.29/64,831.20
  6. Step 6: Final answer
    x = 50,428.68

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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.