Home / 56,163.28-77,505.47-30,669.85

Finding the Fourth Proportional to 56,163.28, 77,505.47 and 30,669.85

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Solution

The fourth proportional to 56,163.28, 77,505.47 and 30,669.85 is: 42,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.28 : 77,505.47 = 30,669.85 : x
  2. Step 2: Convert to fraction form
    56,163.28/77,505.47 = 30,669.85/x
  3. Step 3: Cross multiply
    56,163.28x = 77,505.47 × 30,669.85
  4. Step 4: Simplify right side
    56,163.28x = 2,377,081,022.77
  5. Step 5: Solve for x
    x = 2,377,081,022.77/56,163.28
  6. Step 6: Final answer
    x = 42,324.47

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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.