Home / 40,281.06-55,586.31-22,377.21

Finding the Fourth Proportional to 40,281.06, 55,586.31 and 22,377.21

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Solution

The fourth proportional to 40,281.06, 55,586.31 and 22,377.21 is: 30,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.06 : 55,586.31 = 22,377.21 : x
  2. Step 2: Convert to fraction form
    40,281.06/55,586.31 = 22,377.21/x
  3. Step 3: Cross multiply
    40,281.06x = 55,586.31 × 22,377.21
  4. Step 4: Simplify right side
    40,281.06x = 1,243,866,532.00
  5. Step 5: Solve for x
    x = 1,243,866,532.00/40,281.06
  6. Step 6: Final answer
    x = 30,879.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.