Home / 54,139.19-81,215.24-22,570.65

Finding the Fourth Proportional to 54,139.19, 81,215.24 and 22,570.65

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Solution

The fourth proportional to 54,139.19, 81,215.24 and 22,570.65 is: 33,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.19 : 81,215.24 = 22,570.65 : x
  2. Step 2: Convert to fraction form
    54,139.19/81,215.24 = 22,570.65/x
  3. Step 3: Cross multiply
    54,139.19x = 81,215.24 × 22,570.65
  4. Step 4: Simplify right side
    54,139.19x = 1,833,080,643.85
  5. Step 5: Solve for x
    x = 1,833,080,643.85/54,139.19
  6. Step 6: Final answer
    x = 33,858.67

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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.