Home / 43,572.54-65,357.49-13,990.26

Finding the Fourth Proportional to 43,572.54, 65,357.49 and 13,990.26

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Solution

The fourth proportional to 43,572.54, 65,357.49 and 13,990.26 is: 20,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.54 : 65,357.49 = 13,990.26 : x
  2. Step 2: Convert to fraction form
    43,572.54/65,357.49 = 13,990.26/x
  3. Step 3: Cross multiply
    43,572.54x = 65,357.49 × 13,990.26
  4. Step 4: Simplify right side
    43,572.54x = 914,368,278.05
  5. Step 5: Solve for x
    x = 914,368,278.05/43,572.54
  6. Step 6: Final answer
    x = 20,984.97

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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.