Home / 38,124.05-57,131.60-21,449.25

Finding the Fourth Proportional to 38,124.05, 57,131.60 and 21,449.25

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Solution

The fourth proportional to 38,124.05, 57,131.60 and 21,449.25 is: 32,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.05 : 57,131.60 = 21,449.25 : x
  2. Step 2: Convert to fraction form
    38,124.05/57,131.60 = 21,449.25/x
  3. Step 3: Cross multiply
    38,124.05x = 57,131.60 × 21,449.25
  4. Step 4: Simplify right side
    38,124.05x = 1,225,429,864.05
  5. Step 5: Solve for x
    x = 1,225,429,864.05/38,124.05
  6. Step 6: Final answer
    x = 32,143.23

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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.