Home / 34,117.70-51,166.82-21,618.86

Finding the Fourth Proportional to 34,117.70, 51,166.82 and 21,618.86

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Solution

The fourth proportional to 34,117.70, 51,166.82 and 21,618.86 is: 32,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.70 : 51,166.82 = 21,618.86 : x
  2. Step 2: Convert to fraction form
    34,117.70/51,166.82 = 21,618.86/x
  3. Step 3: Cross multiply
    34,117.70x = 51,166.82 × 21,618.86
  4. Step 4: Simplify right side
    34,117.70x = 1,106,168,318.23
  5. Step 5: Solve for x
    x = 1,106,168,318.23/34,117.70
  6. Step 6: Final answer
    x = 32,422.12

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1.5x scale

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.