Home / 34,336.62-47,367.81-21,605.58

Finding the Fourth Proportional to 34,336.62, 47,367.81 and 21,605.58

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Solution

The fourth proportional to 34,336.62, 47,367.81 and 21,605.58 is: 29,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,336.62 : 47,367.81 = 21,605.58 : x
  2. Step 2: Convert to fraction form
    34,336.62/47,367.81 = 21,605.58/x
  3. Step 3: Cross multiply
    34,336.62x = 47,367.81 × 21,605.58
  4. Step 4: Simplify right side
    34,336.62x = 1,023,409,008.38
  5. Step 5: Solve for x
    x = 1,023,409,008.38/34,336.62
  6. Step 6: Final answer
    x = 29,805.18

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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.