Home / 40,207.65-55,478.25-23,211.60

Finding the Fourth Proportional to 40,207.65, 55,478.25 and 23,211.60

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Solution

The fourth proportional to 40,207.65, 55,478.25 and 23,211.60 is: 32,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.65 : 55,478.25 = 23,211.60 : x
  2. Step 2: Convert to fraction form
    40,207.65/55,478.25 = 23,211.60/x
  3. Step 3: Cross multiply
    40,207.65x = 55,478.25 × 23,211.60
  4. Step 4: Simplify right side
    40,207.65x = 1,287,738,947.70
  5. Step 5: Solve for x
    x = 1,287,738,947.70/40,207.65
  6. Step 6: Final answer
    x = 32,027.21

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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.