Home / 37,621.76-56,421.28-11,319.52

Finding the Fourth Proportional to 37,621.76, 56,421.28 and 11,319.52

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Solution

The fourth proportional to 37,621.76, 56,421.28 and 11,319.52 is: 16,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.76 : 56,421.28 = 11,319.52 : x
  2. Step 2: Convert to fraction form
    37,621.76/56,421.28 = 11,319.52/x
  3. Step 3: Cross multiply
    37,621.76x = 56,421.28 × 11,319.52
  4. Step 4: Simplify right side
    37,621.76x = 638,661,807.39
  5. Step 5: Solve for x
    x = 638,661,807.39/37,621.76
  6. Step 6: Final answer
    x = 16,975.86

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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.