Home / 38,013.84-57,001.30-20,254.48

Finding the Fourth Proportional to 38,013.84, 57,001.30 and 20,254.48

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Solution

The fourth proportional to 38,013.84, 57,001.30 and 20,254.48 is: 30,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.84 : 57,001.30 = 20,254.48 : x
  2. Step 2: Convert to fraction form
    38,013.84/57,001.30 = 20,254.48/x
  3. Step 3: Cross multiply
    38,013.84x = 57,001.30 × 20,254.48
  4. Step 4: Simplify right side
    38,013.84x = 1,154,531,497.68
  5. Step 5: Solve for x
    x = 1,154,531,497.68/38,013.84
  6. Step 6: Final answer
    x = 30,371.35

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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.