Home / 34,764.72-47,971.76-21,336.54

Finding the Fourth Proportional to 34,764.72, 47,971.76 and 21,336.54

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Solution

The fourth proportional to 34,764.72, 47,971.76 and 21,336.54 is: 29,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.72 : 47,971.76 = 21,336.54 : x
  2. Step 2: Convert to fraction form
    34,764.72/47,971.76 = 21,336.54/x
  3. Step 3: Cross multiply
    34,764.72x = 47,971.76 × 21,336.54
  4. Step 4: Simplify right side
    34,764.72x = 1,023,551,376.11
  5. Step 5: Solve for x
    x = 1,023,551,376.11/34,764.72
  6. Step 6: Final answer
    x = 29,442.24

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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.