Home / 52,899.36-79,348.67-13,456.12

Finding the Fourth Proportional to 52,899.36, 79,348.67 and 13,456.12

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Solution

The fourth proportional to 52,899.36, 79,348.67 and 13,456.12 is: 20,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,899.36 : 79,348.67 = 13,456.12 : x
  2. Step 2: Convert to fraction form
    52,899.36/79,348.67 = 13,456.12/x
  3. Step 3: Cross multiply
    52,899.36x = 79,348.67 × 13,456.12
  4. Step 4: Simplify right side
    52,899.36x = 1,067,725,158.08
  5. Step 5: Solve for x
    x = 1,067,725,158.08/52,899.36
  6. Step 6: Final answer
    x = 20,184.09

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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.