Home / 54,810.30-82,215.45-48,686.70

Finding the Fourth Proportional to 54,810.30, 82,215.45 and 48,686.70

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Solution

The fourth proportional to 54,810.30, 82,215.45 and 48,686.70 is: 73,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.30 : 82,215.45 = 48,686.70 : x
  2. Step 2: Convert to fraction form
    54,810.30/82,215.45 = 48,686.70/x
  3. Step 3: Cross multiply
    54,810.30x = 82,215.45 × 48,686.70
  4. Step 4: Simplify right side
    54,810.30x = 4,002,798,949.52
  5. Step 5: Solve for x
    x = 4,002,798,949.52/54,810.30
  6. Step 6: Final answer
    x = 73,030.05

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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.