Home / 38,793.22-58,215.34-21,275.35

Finding the Fourth Proportional to 38,793.22, 58,215.34 and 21,275.35

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Solution

The fourth proportional to 38,793.22, 58,215.34 and 21,275.35 is: 31,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.22 : 58,215.34 = 21,275.35 : x
  2. Step 2: Convert to fraction form
    38,793.22/58,215.34 = 21,275.35/x
  3. Step 3: Cross multiply
    38,793.22x = 58,215.34 × 21,275.35
  4. Step 4: Simplify right side
    38,793.22x = 1,238,551,614.92
  5. Step 5: Solve for x
    x = 1,238,551,614.92/38,793.22
  6. Step 6: Final answer
    x = 31,927.01

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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.