Home / 34,803.61-52,138.21-20,774.82

Finding the Fourth Proportional to 34,803.61, 52,138.21 and 20,774.82

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Solution

The fourth proportional to 34,803.61, 52,138.21 and 20,774.82 is: 31,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,803.61 : 52,138.21 = 20,774.82 : x
  2. Step 2: Convert to fraction form
    34,803.61/52,138.21 = 20,774.82/x
  3. Step 3: Cross multiply
    34,803.61x = 52,138.21 × 20,774.82
  4. Step 4: Simplify right side
    34,803.61x = 1,083,161,667.18
  5. Step 5: Solve for x
    x = 1,083,161,667.18/34,803.61
  6. Step 6: Final answer
    x = 31,122.11

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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.