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Finding the Fourth Proportional to 52,405.95, 78,608.94 and 17,348.34

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Solution

The fourth proportional to 52,405.95, 78,608.94 and 17,348.34 is: 26,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.95 : 78,608.94 = 17,348.34 : x
  2. Step 2: Convert to fraction form
    52,405.95/78,608.94 = 17,348.34/x
  3. Step 3: Cross multiply
    52,405.95x = 78,608.94 × 17,348.34
  4. Step 4: Simplify right side
    52,405.95x = 1,363,734,618.16
  5. Step 5: Solve for x
    x = 1,363,734,618.16/52,405.95
  6. Step 6: Final answer
    x = 26,022.51

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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.