Home / 52,986.11-79,478.96-13,543.16

Finding the Fourth Proportional to 52,986.11, 79,478.96 and 13,543.16

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Solution

The fourth proportional to 52,986.11, 79,478.96 and 13,543.16 is: 20,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.11 : 79,478.96 = 13,543.16 : x
  2. Step 2: Convert to fraction form
    52,986.11/79,478.96 = 13,543.16/x
  3. Step 3: Cross multiply
    52,986.11x = 79,478.96 × 13,543.16
  4. Step 4: Simplify right side
    52,986.11x = 1,076,395,806.80
  5. Step 5: Solve for x
    x = 1,076,395,806.80/52,986.11
  6. Step 6: Final answer
    x = 20,314.68

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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.