Home / 37,856.29-56,765.18-21,211.85

Finding the Fourth Proportional to 37,856.29, 56,765.18 and 21,211.85

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Solution

The fourth proportional to 37,856.29, 56,765.18 and 21,211.85 is: 31,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,856.29 : 56,765.18 = 21,211.85 : x
  2. Step 2: Convert to fraction form
    37,856.29/56,765.18 = 21,211.85/x
  3. Step 3: Cross multiply
    37,856.29x = 56,765.18 × 21,211.85
  4. Step 4: Simplify right side
    37,856.29x = 1,204,094,459.02
  5. Step 5: Solve for x
    x = 1,204,094,459.02/37,856.29
  6. Step 6: Final answer
    x = 31,806.99

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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.