Home / 38,314.81-57,505.02-21,691.18

Finding the Fourth Proportional to 38,314.81, 57,505.02 and 21,691.18

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Solution

The fourth proportional to 38,314.81, 57,505.02 and 21,691.18 is: 32,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.81 : 57,505.02 = 21,691.18 : x
  2. Step 2: Convert to fraction form
    38,314.81/57,505.02 = 21,691.18/x
  3. Step 3: Cross multiply
    38,314.81x = 57,505.02 × 21,691.18
  4. Step 4: Simplify right side
    38,314.81x = 1,247,351,739.72
  5. Step 5: Solve for x
    x = 1,247,351,739.72/38,314.81
  6. Step 6: Final answer
    x = 32,555.34

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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.