Home / 50,115.51-69,143.13-34,172.28

Finding the Fourth Proportional to 50,115.51, 69,143.13 and 34,172.28

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Solution

The fourth proportional to 50,115.51, 69,143.13 and 34,172.28 is: 47,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.51 : 69,143.13 = 34,172.28 : x
  2. Step 2: Convert to fraction form
    50,115.51/69,143.13 = 34,172.28/x
  3. Step 3: Cross multiply
    50,115.51x = 69,143.13 × 34,172.28
  4. Step 4: Simplify right side
    50,115.51x = 2,362,778,398.44
  5. Step 5: Solve for x
    x = 2,362,778,398.44/50,115.51
  6. Step 6: Final answer
    x = 47,146.65

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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.