Home / 54,780.15-82,172.27-15,336.24

Finding the Fourth Proportional to 54,780.15, 82,172.27 and 15,336.24

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Solution

The fourth proportional to 54,780.15, 82,172.27 and 15,336.24 is: 23,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.15 : 82,172.27 = 15,336.24 : x
  2. Step 2: Convert to fraction form
    54,780.15/82,172.27 = 15,336.24/x
  3. Step 3: Cross multiply
    54,780.15x = 82,172.27 × 15,336.24
  4. Step 4: Simplify right side
    54,780.15x = 1,260,213,654.06
  5. Step 5: Solve for x
    x = 1,260,213,654.06/54,780.15
  6. Step 6: Final answer
    x = 23,004.93

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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.