Home / 76,831.40-115,262.62-32,458.28

Finding the Fourth Proportional to 76,831.40, 115,262.62 and 32,458.28

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Solution

The fourth proportional to 76,831.40, 115,262.62 and 32,458.28 is: 48,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,831.40 : 115,262.62 = 32,458.28 : x
  2. Step 2: Convert to fraction form
    76,831.40/115,262.62 = 32,458.28/x
  3. Step 3: Cross multiply
    76,831.40x = 115,262.62 × 32,458.28
  4. Step 4: Simplify right side
    76,831.40x = 3,741,226,393.49
  5. Step 5: Solve for x
    x = 3,741,226,393.49/76,831.40
  6. Step 6: Final answer
    x = 48,693.98

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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.