Home / 54,807.10-82,210.65-19,747.90

Finding the Fourth Proportional to 54,807.10, 82,210.65 and 19,747.90

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Solution

The fourth proportional to 54,807.10, 82,210.65 and 19,747.90 is: 29,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807.10 : 82,210.65 = 19,747.90 : x
  2. Step 2: Convert to fraction form
    54,807.10/82,210.65 = 19,747.90/x
  3. Step 3: Cross multiply
    54,807.10x = 82,210.65 × 19,747.90
  4. Step 4: Simplify right side
    54,807.10x = 1,623,487,695.14
  5. Step 5: Solve for x
    x = 1,623,487,695.14/54,807.10
  6. Step 6: Final answer
    x = 29,621.85

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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.