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Finding the Fourth Proportional to 51,553.32, 71,122.32 and 33,641.88

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Solution

The fourth proportional to 51,553.32, 71,122.32 and 33,641.88 is: 46,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,553.32 : 71,122.32 = 33,641.88 : x
  2. Step 2: Convert to fraction form
    51,553.32/71,122.32 = 33,641.88/x
  3. Step 3: Cross multiply
    51,553.32x = 71,122.32 × 33,641.88
  4. Step 4: Simplify right side
    51,553.32x = 2,392,688,554.76
  5. Step 5: Solve for x
    x = 2,392,688,554.76/51,553.32
  6. Step 6: Final answer
    x = 46,411.92

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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.