Home / 64,318.40-88,764.10-38,831.04

Finding the Fourth Proportional to 64,318.40, 88,764.10 and 38,831.04

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Solution

The fourth proportional to 64,318.40, 88,764.10 and 38,831.04 is: 53,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.40 : 88,764.10 = 38,831.04 : x
  2. Step 2: Convert to fraction form
    64,318.40/88,764.10 = 38,831.04/x
  3. Step 3: Cross multiply
    64,318.40x = 88,764.10 × 38,831.04
  4. Step 4: Simplify right side
    64,318.40x = 3,446,802,317.66
  5. Step 5: Solve for x
    x = 3,446,802,317.66/64,318.40
  6. Step 6: Final answer
    x = 53,589.68

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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.