Home / 53,980.20-80,970.30-14,540.38

Finding the Fourth Proportional to 53,980.20, 80,970.30 and 14,540.38

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Solution

The fourth proportional to 53,980.20, 80,970.30 and 14,540.38 is: 21,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.20 : 80,970.30 = 14,540.38 : x
  2. Step 2: Convert to fraction form
    53,980.20/80,970.30 = 14,540.38/x
  3. Step 3: Cross multiply
    53,980.20x = 80,970.30 × 14,540.38
  4. Step 4: Simplify right side
    53,980.20x = 1,177,338,930.71
  5. Step 5: Solve for x
    x = 1,177,338,930.71/53,980.20
  6. Step 6: Final answer
    x = 21,810.57

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Similar ratio
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1.5x scale

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.