Home / 54,935.30-82,402.95-19,866.75

Finding the Fourth Proportional to 54,935.30, 82,402.95 and 19,866.75

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Solution

The fourth proportional to 54,935.30, 82,402.95 and 19,866.75 is: 29,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.30 : 82,402.95 = 19,866.75 : x
  2. Step 2: Convert to fraction form
    54,935.30/82,402.95 = 19,866.75/x
  3. Step 3: Cross multiply
    54,935.30x = 82,402.95 × 19,866.75
  4. Step 4: Simplify right side
    54,935.30x = 1,637,078,806.91
  5. Step 5: Solve for x
    x = 1,637,078,806.91/54,935.30
  6. Step 6: Final answer
    x = 29,800.13

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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.