Home / 53,325.20-79,987.79-16,389.20

Finding the Fourth Proportional to 53,325.20, 79,987.79 and 16,389.20

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Solution

The fourth proportional to 53,325.20, 79,987.79 and 16,389.20 is: 24,583.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,325.20 : 79,987.79 = 16,389.20 : x
  2. Step 2: Convert to fraction form
    53,325.20/79,987.79 = 16,389.20/x
  3. Step 3: Cross multiply
    53,325.20x = 79,987.79 × 16,389.20
  4. Step 4: Simplify right side
    53,325.20x = 1,310,935,405.98
  5. Step 5: Solve for x
    x = 1,310,935,405.98/53,325.20
  6. Step 6: Final answer
    x = 24,583.79

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Similar ratio
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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.