Home / 40,281.06-55,586.30-22,377.20

Finding the Fourth Proportional to 40,281.06, 55,586.30 and 22,377.20

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Solution

The fourth proportional to 40,281.06, 55,586.30 and 22,377.20 is: 30,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.06 : 55,586.30 = 22,377.20 : x
  2. Step 2: Convert to fraction form
    40,281.06/55,586.30 = 22,377.20/x
  3. Step 3: Cross multiply
    40,281.06x = 55,586.30 × 22,377.20
  4. Step 4: Simplify right side
    40,281.06x = 1,243,865,752.36
  5. Step 5: Solve for x
    x = 1,243,865,752.36/40,281.06
  6. Step 6: Final answer
    x = 30,879.67

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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.