Home / 38,521.40-57,782.32-11,867.04

Finding the Fourth Proportional to 38,521.40, 57,782.32 and 11,867.04

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Solution

The fourth proportional to 38,521.40, 57,782.32 and 11,867.04 is: 17,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.40 : 57,782.32 = 11,867.04 : x
  2. Step 2: Convert to fraction form
    38,521.40/57,782.32 = 11,867.04/x
  3. Step 3: Cross multiply
    38,521.40x = 57,782.32 × 11,867.04
  4. Step 4: Simplify right side
    38,521.40x = 685,705,073.07
  5. Step 5: Solve for x
    x = 685,705,073.07/38,521.40
  6. Step 6: Final answer
    x = 17,800.63

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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.