Home / 54,288.21-81,430.19-22,690.11

Finding the Fourth Proportional to 54,288.21, 81,430.19 and 22,690.11

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Solution

The fourth proportional to 54,288.21, 81,430.19 and 22,690.11 is: 34,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.21 : 81,430.19 = 22,690.11 : x
  2. Step 2: Convert to fraction form
    54,288.21/81,430.19 = 22,690.11/x
  3. Step 3: Cross multiply
    54,288.21x = 81,430.19 × 22,690.11
  4. Step 4: Simplify right side
    54,288.21x = 1,847,660,373.05
  5. Step 5: Solve for x
    x = 1,847,660,373.05/54,288.21
  6. Step 6: Final answer
    x = 34,034.28

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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.