Home / 50,505.73-75,661.54-28,251.64

Finding the Fourth Proportional to 50,505.73, 75,661.54 and 28,251.64

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Solution

The fourth proportional to 50,505.73, 75,661.54 and 28,251.64 is: 42,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,505.73 : 75,661.54 = 28,251.64 : x
  2. Step 2: Convert to fraction form
    50,505.73/75,661.54 = 28,251.64/x
  3. Step 3: Cross multiply
    50,505.73x = 75,661.54 × 28,251.64
  4. Step 4: Simplify right side
    50,505.73x = 2,137,562,347.19
  5. Step 5: Solve for x
    x = 2,137,562,347.19/50,505.73
  6. Step 6: Final answer
    x = 42,323.17

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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.