Home / 37,050.96-51,129.84-21,135.67

Finding the Fourth Proportional to 37,050.96, 51,129.84 and 21,135.67

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Solution

The fourth proportional to 37,050.96, 51,129.84 and 21,135.67 is: 29,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,050.96 : 51,129.84 = 21,135.67 : x
  2. Step 2: Convert to fraction form
    37,050.96/51,129.84 = 21,135.67/x
  3. Step 3: Cross multiply
    37,050.96x = 51,129.84 × 21,135.67
  4. Step 4: Simplify right side
    37,050.96x = 1,080,663,425.39
  5. Step 5: Solve for x
    x = 1,080,663,425.39/37,050.96
  6. Step 6: Final answer
    x = 29,166.95

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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.