Home / 38,315.07-57,397.89-21,624.62

Finding the Fourth Proportional to 38,315.07, 57,397.89 and 21,624.62

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Solution

The fourth proportional to 38,315.07, 57,397.89 and 21,624.62 is: 32,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.07 : 57,397.89 = 21,624.62 : x
  2. Step 2: Convert to fraction form
    38,315.07/57,397.89 = 21,624.62/x
  3. Step 3: Cross multiply
    38,315.07x = 57,397.89 × 21,624.62
  4. Step 4: Simplify right side
    38,315.07x = 1,241,207,273.06
  5. Step 5: Solve for x
    x = 1,241,207,273.06/38,315.07
  6. Step 6: Final answer
    x = 32,394.75

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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.