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Finding the Fourth Proportional to 52,644.69, 79,322.22 and 43,489.80

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Solution

The fourth proportional to 52,644.69, 79,322.22 and 43,489.80 is: 65,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.69 : 79,322.22 = 43,489.80 : x
  2. Step 2: Convert to fraction form
    52,644.69/79,322.22 = 43,489.80/x
  3. Step 3: Cross multiply
    52,644.69x = 79,322.22 × 43,489.80
  4. Step 4: Simplify right side
    52,644.69x = 3,449,707,483.36
  5. Step 5: Solve for x
    x = 3,449,707,483.36/52,644.69
  6. Step 6: Final answer
    x = 65,528.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.