Home / 52,679.11-79,018.74-21,514.36

Finding the Fourth Proportional to 52,679.11, 79,018.74 and 21,514.36

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Solution

The fourth proportional to 52,679.11, 79,018.74 and 21,514.36 is: 32,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.11 : 79,018.74 = 21,514.36 : x
  2. Step 2: Convert to fraction form
    52,679.11/79,018.74 = 21,514.36/x
  3. Step 3: Cross multiply
    52,679.11x = 79,018.74 × 21,514.36
  4. Step 4: Simplify right side
    52,679.11x = 1,700,037,569.72
  5. Step 5: Solve for x
    x = 1,700,037,569.72/52,679.11
  6. Step 6: Final answer
    x = 32,271.57

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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.