Home / 53,346.40-80,020.51-18,310.66

Finding the Fourth Proportional to 53,346.40, 80,020.51 and 18,310.66

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Solution

The fourth proportional to 53,346.40, 80,020.51 and 18,310.66 is: 27,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,346.40 : 80,020.51 = 18,310.66 : x
  2. Step 2: Convert to fraction form
    53,346.40/80,020.51 = 18,310.66/x
  3. Step 3: Cross multiply
    53,346.40x = 80,020.51 × 18,310.66
  4. Step 4: Simplify right side
    53,346.40x = 1,465,228,105.81
  5. Step 5: Solve for x
    x = 1,465,228,105.81/53,346.40
  6. Step 6: Final answer
    x = 27,466.30

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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.