Home / 52,979.11-79,437.88-21,363.29

Finding the Fourth Proportional to 52,979.11, 79,437.88 and 21,363.29

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Solution

The fourth proportional to 52,979.11, 79,437.88 and 21,363.29 is: 32,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.11 : 79,437.88 = 21,363.29 : x
  2. Step 2: Convert to fraction form
    52,979.11/79,437.88 = 21,363.29/x
  3. Step 3: Cross multiply
    52,979.11x = 79,437.88 × 21,363.29
  4. Step 4: Simplify right side
    52,979.11x = 1,697,054,016.83
  5. Step 5: Solve for x
    x = 1,697,054,016.83/52,979.11
  6. Step 6: Final answer
    x = 32,032.51

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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.