Home / 53,176.80-79,740.81-18,102.18

Finding the Fourth Proportional to 53,176.80, 79,740.81 and 18,102.18

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Solution

The fourth proportional to 53,176.80, 79,740.81 and 18,102.18 is: 27,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.80 : 79,740.81 = 18,102.18 : x
  2. Step 2: Convert to fraction form
    53,176.80/79,740.81 = 18,102.18/x
  3. Step 3: Cross multiply
    53,176.80x = 79,740.81 × 18,102.18
  4. Step 4: Simplify right side
    53,176.80x = 1,443,482,495.97
  5. Step 5: Solve for x
    x = 1,443,482,495.97/53,176.80
  6. Step 6: Final answer
    x = 27,144.97

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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.