Home / 51,650.87-77,403.06-21,632.76

Finding the Fourth Proportional to 51,650.87, 77,403.06 and 21,632.76

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Solution

The fourth proportional to 51,650.87, 77,403.06 and 21,632.76 is: 32,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,650.87 : 77,403.06 = 21,632.76 : x
  2. Step 2: Convert to fraction form
    51,650.87/77,403.06 = 21,632.76/x
  3. Step 3: Cross multiply
    51,650.87x = 77,403.06 × 21,632.76
  4. Step 4: Simplify right side
    51,650.87x = 1,674,441,820.25
  5. Step 5: Solve for x
    x = 1,674,441,820.25/51,650.87
  6. Step 6: Final answer
    x = 32,418.47

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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.