Home / 37,886.19-56,816.91-12,578.91

Finding the Fourth Proportional to 37,886.19, 56,816.91 and 12,578.91

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Solution

The fourth proportional to 37,886.19, 56,816.91 and 12,578.91 is: 18,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.19 : 56,816.91 = 12,578.91 : x
  2. Step 2: Convert to fraction form
    37,886.19/56,816.91 = 12,578.91/x
  3. Step 3: Cross multiply
    37,886.19x = 56,816.91 × 12,578.91
  4. Step 4: Simplify right side
    37,886.19x = 714,694,797.37
  5. Step 5: Solve for x
    x = 714,694,797.37/37,886.19
  6. Step 6: Final answer
    x = 18,864.26

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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.