Home / 37,311.62-51,491.13-20,316.98

Finding the Fourth Proportional to 37,311.62, 51,491.13 and 20,316.98

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Solution

The fourth proportional to 37,311.62, 51,491.13 and 20,316.98 is: 28,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,311.62 : 51,491.13 = 20,316.98 : x
  2. Step 2: Convert to fraction form
    37,311.62/51,491.13 = 20,316.98/x
  3. Step 3: Cross multiply
    37,311.62x = 51,491.13 × 20,316.98
  4. Step 4: Simplify right side
    37,311.62x = 1,046,144,258.39
  5. Step 5: Solve for x
    x = 1,046,144,258.39/37,311.62
  6. Step 6: Final answer
    x = 28,038.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.