Home / 34,778.91-47,995.55-21,343.44

Finding the Fourth Proportional to 34,778.91, 47,995.55 and 21,343.44

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Solution

The fourth proportional to 34,778.91, 47,995.55 and 21,343.44 is: 29,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.91 : 47,995.55 = 21,343.44 : x
  2. Step 2: Convert to fraction form
    34,778.91/47,995.55 = 21,343.44/x
  3. Step 3: Cross multiply
    34,778.91x = 47,995.55 × 21,343.44
  4. Step 4: Simplify right side
    34,778.91x = 1,024,390,141.69
  5. Step 5: Solve for x
    x = 1,024,390,141.69/34,778.91
  6. Step 6: Final answer
    x = 29,454.35

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1.5x scale

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.