Home / 38,793.17-58,135.50-20,985.38

Finding the Fourth Proportional to 38,793.17, 58,135.50 and 20,985.38

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Solution

The fourth proportional to 38,793.17, 58,135.50 and 20,985.38 is: 31,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.17 : 58,135.50 = 20,985.38 : x
  2. Step 2: Convert to fraction form
    38,793.17/58,135.50 = 20,985.38/x
  3. Step 3: Cross multiply
    38,793.17x = 58,135.50 × 20,985.38
  4. Step 4: Simplify right side
    38,793.17x = 1,219,995,558.99
  5. Step 5: Solve for x
    x = 1,219,995,558.99/38,793.17
  6. Step 6: Final answer
    x = 31,448.72

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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.