Home / 54,908.83-82,306.68-21,615.40

Finding the Fourth Proportional to 54,908.83, 82,306.68 and 21,615.40

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Solution

The fourth proportional to 54,908.83, 82,306.68 and 21,615.40 is: 32,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,908.83 : 82,306.68 = 21,615.40 : x
  2. Step 2: Convert to fraction form
    54,908.83/82,306.68 = 21,615.40/x
  3. Step 3: Cross multiply
    54,908.83x = 82,306.68 × 21,615.40
  4. Step 4: Simplify right side
    54,908.83x = 1,779,091,810.87
  5. Step 5: Solve for x
    x = 1,779,091,810.87/54,908.83
  6. Step 6: Final answer
    x = 32,400.83

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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.