Home / 49,570.24-68,419.56-28,356.16

Finding the Fourth Proportional to 49,570.24, 68,419.56 and 28,356.16

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Solution

The fourth proportional to 49,570.24, 68,419.56 and 28,356.16 is: 39,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,570.24 : 68,419.56 = 28,356.16 : x
  2. Step 2: Convert to fraction form
    49,570.24/68,419.56 = 28,356.16/x
  3. Step 3: Cross multiply
    49,570.24x = 68,419.56 × 28,356.16
  4. Step 4: Simplify right side
    49,570.24x = 1,940,115,990.49
  5. Step 5: Solve for x
    x = 1,940,115,990.49/49,570.24
  6. Step 6: Final answer
    x = 39,138.72

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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.