Home / 38,039.38-52,490.31-21,040.93

Finding the Fourth Proportional to 38,039.38, 52,490.31 and 21,040.93

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Solution

The fourth proportional to 38,039.38, 52,490.31 and 21,040.93 is: 29,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.38 : 52,490.31 = 21,040.93 : x
  2. Step 2: Convert to fraction form
    38,039.38/52,490.31 = 21,040.93/x
  3. Step 3: Cross multiply
    38,039.38x = 52,490.31 × 21,040.93
  4. Step 4: Simplify right side
    38,039.38x = 1,104,444,938.39
  5. Step 5: Solve for x
    x = 1,104,444,938.39/38,039.38
  6. Step 6: Final answer
    x = 29,034.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.