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Finding the Fourth Proportional to 52,322.70, 78,482.30 and 22,740.54

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Solution

The fourth proportional to 52,322.70, 78,482.30 and 22,740.54 is: 34,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,322.70 : 78,482.30 = 22,740.54 : x
  2. Step 2: Convert to fraction form
    52,322.70/78,482.30 = 22,740.54/x
  3. Step 3: Cross multiply
    52,322.70x = 78,482.30 × 22,740.54
  4. Step 4: Simplify right side
    52,322.70x = 1,784,729,882.44
  5. Step 5: Solve for x
    x = 1,784,729,882.44/52,322.70
  6. Step 6: Final answer
    x = 34,110.05

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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.