Home / 34,484.11-47,586.72-21,077.80

Finding the Fourth Proportional to 34,484.11, 47,586.72 and 21,077.80

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Solution

The fourth proportional to 34,484.11, 47,586.72 and 21,077.80 is: 29,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,484.11 : 47,586.72 = 21,077.80 : x
  2. Step 2: Convert to fraction form
    34,484.11/47,586.72 = 21,077.80/x
  3. Step 3: Cross multiply
    34,484.11x = 47,586.72 × 21,077.80
  4. Step 4: Simplify right side
    34,484.11x = 1,003,023,366.82
  5. Step 5: Solve for x
    x = 1,003,023,366.82/34,484.11
  6. Step 6: Final answer
    x = 29,086.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.