Home / 54,988.90-82,497.86-21,700.87

Finding the Fourth Proportional to 54,988.90, 82,497.86 and 21,700.87

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Solution

The fourth proportional to 54,988.90, 82,497.86 and 21,700.87 is: 32,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.90 : 82,497.86 = 21,700.87 : x
  2. Step 2: Convert to fraction form
    54,988.90/82,497.86 = 21,700.87/x
  3. Step 3: Cross multiply
    54,988.90x = 82,497.86 × 21,700.87
  4. Step 4: Simplify right side
    54,988.90x = 1,790,275,335.14
  5. Step 5: Solve for x
    x = 1,790,275,335.14/54,988.90
  6. Step 6: Final answer
    x = 32,557.03

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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.