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Finding the Fourth Proportional to 52,996.32, 79,321.41 and 38,952.63

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Solution

The fourth proportional to 52,996.32, 79,321.41 and 38,952.63 is: 58,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,996.32 : 79,321.41 = 38,952.63 : x
  2. Step 2: Convert to fraction form
    52,996.32/79,321.41 = 38,952.63/x
  3. Step 3: Cross multiply
    52,996.32x = 79,321.41 × 38,952.63
  4. Step 4: Simplify right side
    52,996.32x = 3,089,777,534.81
  5. Step 5: Solve for x
    x = 3,089,777,534.81/52,996.32
  6. Step 6: Final answer
    x = 58,301.74

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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.