Home / 38,253.51-57,378.69-13,299.21

Finding the Fourth Proportional to 38,253.51, 57,378.69 and 13,299.21

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Solution

The fourth proportional to 38,253.51, 57,378.69 and 13,299.21 is: 19,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.51 : 57,378.69 = 13,299.21 : x
  2. Step 2: Convert to fraction form
    38,253.51/57,378.69 = 13,299.21/x
  3. Step 3: Cross multiply
    38,253.51x = 57,378.69 × 13,299.21
  4. Step 4: Simplify right side
    38,253.51x = 763,091,247.83
  5. Step 5: Solve for x
    x = 763,091,247.83/38,253.51
  6. Step 6: Final answer
    x = 19,948.27

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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.