Home / 50,028.48-69,042.51-28,807.29

Finding the Fourth Proportional to 50,028.48, 69,042.51 and 28,807.29

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Solution

The fourth proportional to 50,028.48, 69,042.51 and 28,807.29 is: 39,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,028.48 : 69,042.51 = 28,807.29 : x
  2. Step 2: Convert to fraction form
    50,028.48/69,042.51 = 28,807.29/x
  3. Step 3: Cross multiply
    50,028.48x = 69,042.51 × 28,807.29
  4. Step 4: Simplify right side
    50,028.48x = 1,988,927,607.90
  5. Step 5: Solve for x
    x = 1,988,927,607.90/50,028.48
  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.