Home / 54,708.77-82,030.30-21,389.14

Finding the Fourth Proportional to 54,708.77, 82,030.30 and 21,389.14

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Solution

The fourth proportional to 54,708.77, 82,030.30 and 21,389.14 is: 32,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708.77 : 82,030.30 = 21,389.14 : x
  2. Step 2: Convert to fraction form
    54,708.77/82,030.30 = 21,389.14/x
  3. Step 3: Cross multiply
    54,708.77x = 82,030.30 × 21,389.14
  4. Step 4: Simplify right side
    54,708.77x = 1,754,557,278.90
  5. Step 5: Solve for x
    x = 1,754,557,278.90/54,708.77
  6. Step 6: Final answer
    x = 32,070.86

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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.