Home / 54,330.20-81,495.30-26,271.80

Finding the Fourth Proportional to 54,330.20, 81,495.30 and 26,271.80

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Solution

The fourth proportional to 54,330.20, 81,495.30 and 26,271.80 is: 39,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.20 : 81,495.30 = 26,271.80 : x
  2. Step 2: Convert to fraction form
    54,330.20/81,495.30 = 26,271.80/x
  3. Step 3: Cross multiply
    54,330.20x = 81,495.30 × 26,271.80
  4. Step 4: Simplify right side
    54,330.20x = 2,141,028,222.54
  5. Step 5: Solve for x
    x = 2,141,028,222.54/54,330.20
  6. Step 6: Final answer
    x = 39,407.70

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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.