Home / 37,721.40-56,578.14-18,993.84

Finding the Fourth Proportional to 37,721.40, 56,578.14 and 18,993.84

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Solution

The fourth proportional to 37,721.40, 56,578.14 and 18,993.84 is: 28,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.40 : 56,578.14 = 18,993.84 : x
  2. Step 2: Convert to fraction form
    37,721.40/56,578.14 = 18,993.84/x
  3. Step 3: Cross multiply
    37,721.40x = 56,578.14 × 18,993.84
  4. Step 4: Simplify right side
    37,721.40x = 1,074,636,138.66
  5. Step 5: Solve for x
    x = 1,074,636,138.66/37,721.40
  6. Step 6: Final answer
    x = 28,488.77

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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.