Home / 38,424.14-57,649.77-13,471.14

Finding the Fourth Proportional to 38,424.14, 57,649.77 and 13,471.14

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Solution

The fourth proportional to 38,424.14, 57,649.77 and 13,471.14 is: 20,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.14 : 57,649.77 = 13,471.14 : x
  2. Step 2: Convert to fraction form
    38,424.14/57,649.77 = 13,471.14/x
  3. Step 3: Cross multiply
    38,424.14x = 57,649.77 × 13,471.14
  4. Step 4: Simplify right side
    38,424.14x = 776,608,122.64
  5. Step 5: Solve for x
    x = 776,608,122.64/38,424.14
  6. Step 6: Final answer
    x = 20,211.46

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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.