Home / 52,721.75-79,083.55-19,424.68

Finding the Fourth Proportional to 52,721.75, 79,083.55 and 19,424.68

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Solution

The fourth proportional to 52,721.75, 79,083.55 and 19,424.68 is: 29,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.75 : 79,083.55 = 19,424.68 : x
  2. Step 2: Convert to fraction form
    52,721.75/79,083.55 = 19,424.68/x
  3. Step 3: Cross multiply
    52,721.75x = 79,083.55 × 19,424.68
  4. Step 4: Simplify right side
    52,721.75x = 1,536,172,159.47
  5. Step 5: Solve for x
    x = 1,536,172,159.47/52,721.75
  6. Step 6: Final answer
    x = 29,137.35

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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.