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Finding the Fourth Proportional to 24,810.69, 34,138.71 and 24,220.20

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Solution

The fourth proportional to 24,810.69, 34,138.71 and 24,220.20 is: 33,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,810.69 : 34,138.71 = 24,220.20 : x
  2. Step 2: Convert to fraction form
    24,810.69/34,138.71 = 24,220.20/x
  3. Step 3: Cross multiply
    24,810.69x = 34,138.71 × 24,220.20
  4. Step 4: Simplify right side
    24,810.69x = 826,846,383.94
  5. Step 5: Solve for x
    x = 826,846,383.94/24,810.69
  6. Step 6: Final answer
    x = 33,326.21

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Double scale
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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.