Home / 50,021.61-69,032.03-28,807.71

Finding the Fourth Proportional to 50,021.61, 69,032.03 and 28,807.71

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Solution

The fourth proportional to 50,021.61, 69,032.03 and 28,807.71 is: 39,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.61 : 69,032.03 = 28,807.71 : x
  2. Step 2: Convert to fraction form
    50,021.61/69,032.03 = 28,807.71/x
  3. Step 3: Cross multiply
    50,021.61x = 69,032.03 × 28,807.71
  4. Step 4: Simplify right side
    50,021.61x = 1,988,654,772.97
  5. Step 5: Solve for x
    x = 1,988,654,772.97/50,021.61
  6. Step 6: Final answer
    x = 39,755.91

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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.