Home / 37,806.78-56,710.18-15,620.74

Finding the Fourth Proportional to 37,806.78, 56,710.18 and 15,620.74

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Solution

The fourth proportional to 37,806.78, 56,710.18 and 15,620.74 is: 23,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.78 : 56,710.18 = 15,620.74 : x
  2. Step 2: Convert to fraction form
    37,806.78/56,710.18 = 15,620.74/x
  3. Step 3: Cross multiply
    37,806.78x = 56,710.18 × 15,620.74
  4. Step 4: Simplify right side
    37,806.78x = 885,854,615.48
  5. Step 5: Solve for x
    x = 885,854,615.48/37,806.78
  6. Step 6: Final answer
    x = 23,431.10

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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.