Home / 52,919.40-79,328.50-19,630.56

Finding the Fourth Proportional to 52,919.40, 79,328.50 and 19,630.56

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Solution

The fourth proportional to 52,919.40, 79,328.50 and 19,630.56 is: 29,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,919.40 : 79,328.50 = 19,630.56 : x
  2. Step 2: Convert to fraction form
    52,919.40/79,328.50 = 19,630.56/x
  3. Step 3: Cross multiply
    52,919.40x = 79,328.50 × 19,630.56
  4. Step 4: Simplify right side
    52,919.40x = 1,557,262,878.96
  5. Step 5: Solve for x
    x = 1,557,262,878.96/52,919.40
  6. Step 6: Final answer
    x = 29,427.07

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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.