Home / 37,680.08-56,521.35-18,949.86

Finding the Fourth Proportional to 37,680.08, 56,521.35 and 18,949.86

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Solution

The fourth proportional to 37,680.08, 56,521.35 and 18,949.86 is: 28,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680.08 : 56,521.35 = 18,949.86 : x
  2. Step 2: Convert to fraction form
    37,680.08/56,521.35 = 18,949.86/x
  3. Step 3: Cross multiply
    37,680.08x = 56,521.35 × 18,949.86
  4. Step 4: Simplify right side
    37,680.08x = 1,071,071,669.51
  5. Step 5: Solve for x
    x = 1,071,071,669.51/37,680.08
  6. Step 6: Final answer
    x = 28,425.41

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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.