Home / 37,718.16-56,584.16-12,419.12

Finding the Fourth Proportional to 37,718.16, 56,584.16 and 12,419.12

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Solution

The fourth proportional to 37,718.16, 56,584.16 and 12,419.12 is: 18,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.16 : 56,584.16 = 12,419.12 : x
  2. Step 2: Convert to fraction form
    37,718.16/56,584.16 = 12,419.12/x
  3. Step 3: Cross multiply
    37,718.16x = 56,584.16 × 12,419.12
  4. Step 4: Simplify right side
    37,718.16x = 702,725,128.12
  5. Step 5: Solve for x
    x = 702,725,128.12/37,718.16
  6. Step 6: Final answer
    x = 18,630.95

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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.