Home / 53,170.48-79,766.21-15,220.11

Finding the Fourth Proportional to 53,170.48, 79,766.21 and 15,220.11

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Solution

The fourth proportional to 53,170.48, 79,766.21 and 15,220.11 is: 22,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.48 : 79,766.21 = 15,220.11 : x
  2. Step 2: Convert to fraction form
    53,170.48/79,766.21 = 15,220.11/x
  3. Step 3: Cross multiply
    53,170.48x = 79,766.21 × 15,220.11
  4. Step 4: Simplify right side
    53,170.48x = 1,214,050,490.48
  5. Step 5: Solve for x
    x = 1,214,050,490.48/53,170.48
  6. Step 6: Final answer
    x = 22,833.17

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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.