Home / 54,041.11-81,006.24-20,752.21

Finding the Fourth Proportional to 54,041.11, 81,006.24 and 20,752.21

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Solution

The fourth proportional to 54,041.11, 81,006.24 and 20,752.21 is: 31,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,041.11 : 81,006.24 = 20,752.21 : x
  2. Step 2: Convert to fraction form
    54,041.11/81,006.24 = 20,752.21/x
  3. Step 3: Cross multiply
    54,041.11x = 81,006.24 × 20,752.21
  4. Step 4: Simplify right side
    54,041.11x = 1,681,058,503.79
  5. Step 5: Solve for x
    x = 1,681,058,503.79/54,041.11
  6. Step 6: Final answer
    x = 31,107.03

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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.