Home / 38,459.20-57,626.70-21,769.60

Finding the Fourth Proportional to 38,459.20, 57,626.70 and 21,769.60

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Solution

The fourth proportional to 38,459.20, 57,626.70 and 21,769.60 is: 32,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.20 : 57,626.70 = 21,769.60 : x
  2. Step 2: Convert to fraction form
    38,459.20/57,626.70 = 21,769.60/x
  3. Step 3: Cross multiply
    38,459.20x = 57,626.70 × 21,769.60
  4. Step 4: Simplify right side
    38,459.20x = 1,254,510,208.32
  5. Step 5: Solve for x
    x = 1,254,510,208.32/38,459.20
  6. Step 6: Final answer
    x = 32,619.25

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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.