Home / 51,500.12-77,262.50-21,497.67

Finding the Fourth Proportional to 51,500.12, 77,262.50 and 21,497.67

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Solution

The fourth proportional to 51,500.12, 77,262.50 and 21,497.67 is: 32,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,500.12 : 77,262.50 = 21,497.67 : x
  2. Step 2: Convert to fraction form
    51,500.12/77,262.50 = 21,497.67/x
  3. Step 3: Cross multiply
    51,500.12x = 77,262.50 × 21,497.67
  4. Step 4: Simplify right side
    51,500.12x = 1,660,963,782.12
  5. Step 5: Solve for x
    x = 1,660,963,782.12/51,500.12
  6. Step 6: Final answer
    x = 32,251.65

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1.5x scale

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.