Home / 74,538.54-111,831.93-21,948.30

Finding the Fourth Proportional to 74,538.54, 111,831.93 and 21,948.30

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Solution

The fourth proportional to 74,538.54, 111,831.93 and 21,948.30 is: 32,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.54 : 111,831.93 = 21,948.30 : x
  2. Step 2: Convert to fraction form
    74,538.54/111,831.93 = 21,948.30/x
  3. Step 3: Cross multiply
    74,538.54x = 111,831.93 × 21,948.30
  4. Step 4: Simplify right side
    74,538.54x = 2,454,520,749.22
  5. Step 5: Solve for x
    x = 2,454,520,749.22/74,538.54
  6. Step 6: Final answer
    x = 32,929.55

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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.