Home / 73,815.48-110,742.12-21,228.84

Finding the Fourth Proportional to 73,815.48, 110,742.12 and 21,228.84

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Solution

The fourth proportional to 73,815.48, 110,742.12 and 21,228.84 is: 31,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815.48 : 110,742.12 = 21,228.84 : x
  2. Step 2: Convert to fraction form
    73,815.48/110,742.12 = 21,228.84/x
  3. Step 3: Cross multiply
    73,815.48x = 110,742.12 × 21,228.84
  4. Step 4: Simplify right side
    73,815.48x = 2,350,926,746.74
  5. Step 5: Solve for x
    x = 2,350,926,746.74/73,815.48
  6. Step 6: Final answer
    x = 31,848.70

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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.