Home / 37,442.53-56,159.94-12,479.88

Finding the Fourth Proportional to 37,442.53, 56,159.94 and 12,479.88

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Solution

The fourth proportional to 37,442.53, 56,159.94 and 12,479.88 is: 18,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.53 : 56,159.94 = 12,479.88 : x
  2. Step 2: Convert to fraction form
    37,442.53/56,159.94 = 12,479.88/x
  3. Step 3: Cross multiply
    37,442.53x = 56,159.94 × 12,479.88
  4. Step 4: Simplify right side
    37,442.53x = 700,869,312.01
  5. Step 5: Solve for x
    x = 700,869,312.01/37,442.53
  6. Step 6: Final answer
    x = 18,718.54

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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.