Home / 54,047.30-81,070.65-18,508.94

Finding the Fourth Proportional to 54,047.30, 81,070.65 and 18,508.94

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Solution

The fourth proportional to 54,047.30, 81,070.65 and 18,508.94 is: 27,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047.30 : 81,070.65 = 18,508.94 : x
  2. Step 2: Convert to fraction form
    54,047.30/81,070.65 = 18,508.94/x
  3. Step 3: Cross multiply
    54,047.30x = 81,070.65 × 18,508.94
  4. Step 4: Simplify right side
    54,047.30x = 1,500,531,391.26
  5. Step 5: Solve for x
    x = 1,500,531,391.26/54,047.30
  6. Step 6: Final answer
    x = 27,763.30

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1.5x scale

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.