Home / 53,116.20-73,318.02-38,831.40

Finding the Fourth Proportional to 53,116.20, 73,318.02 and 38,831.40

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Solution

The fourth proportional to 53,116.20, 73,318.02 and 38,831.40 is: 53,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.20 : 73,318.02 = 38,831.40 : x
  2. Step 2: Convert to fraction form
    53,116.20/73,318.02 = 38,831.40/x
  3. Step 3: Cross multiply
    53,116.20x = 73,318.02 × 38,831.40
  4. Step 4: Simplify right side
    53,116.20x = 2,847,041,361.83
  5. Step 5: Solve for x
    x = 2,847,041,361.83/53,116.20
  6. Step 6: Final answer
    x = 53,600.25

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