Home / 73,390.35-110,095.10-20,801.21

Finding the Fourth Proportional to 73,390.35, 110,095.10 and 20,801.21

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Solution

The fourth proportional to 73,390.35, 110,095.10 and 20,801.21 is: 31,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,390.35 : 110,095.10 = 20,801.21 : x
  2. Step 2: Convert to fraction form
    73,390.35/110,095.10 = 20,801.21/x
  3. Step 3: Cross multiply
    73,390.35x = 110,095.10 × 20,801.21
  4. Step 4: Simplify right side
    73,390.35x = 2,290,110,718.59
  5. Step 5: Solve for x
    x = 2,290,110,718.59/73,390.35
  6. Step 6: Final answer
    x = 31,204.52

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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.