Home / 54,288.41-81,430.48-22,690.31

Finding the Fourth Proportional to 54,288.41, 81,430.48 and 22,690.31

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Solution

The fourth proportional to 54,288.41, 81,430.48 and 22,690.31 is: 34,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.41 : 81,430.48 = 22,690.31 : x
  2. Step 2: Convert to fraction form
    54,288.41/81,430.48 = 22,690.31/x
  3. Step 3: Cross multiply
    54,288.41x = 81,430.48 × 22,690.31
  4. Step 4: Simplify right side
    54,288.41x = 1,847,682,370.77
  5. Step 5: Solve for x
    x = 1,847,682,370.77/54,288.41
  6. Step 6: Final answer
    x = 34,034.57

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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.