Home / 50,127.76-69,171.28-29,980.60

Finding the Fourth Proportional to 50,127.76, 69,171.28 and 29,980.60

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Solution

The fourth proportional to 50,127.76, 69,171.28 and 29,980.60 is: 41,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,127.76 : 69,171.28 = 29,980.60 : x
  2. Step 2: Convert to fraction form
    50,127.76/69,171.28 = 29,980.60/x
  3. Step 3: Cross multiply
    50,127.76x = 69,171.28 × 29,980.60
  4. Step 4: Simplify right side
    50,127.76x = 2,073,796,477.17
  5. Step 5: Solve for x
    x = 2,073,796,477.17/50,127.76
  6. Step 6: Final answer
    x = 41,370.22

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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.