Home / 52,682.19-79,031.13-19,399.69

Finding the Fourth Proportional to 52,682.19, 79,031.13 and 19,399.69

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Solution

The fourth proportional to 52,682.19, 79,031.13 and 19,399.69 is: 29,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,682.19 : 79,031.13 = 19,399.69 : x
  2. Step 2: Convert to fraction form
    52,682.19/79,031.13 = 19,399.69/x
  3. Step 3: Cross multiply
    52,682.19x = 79,031.13 × 19,399.69
  4. Step 4: Simplify right side
    52,682.19x = 1,533,179,422.35
  5. Step 5: Solve for x
    x = 1,533,179,422.35/52,682.19
  6. Step 6: Final answer
    x = 29,102.42

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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.