Home / 49,832.16-68,776.56-28,612.32

Finding the Fourth Proportional to 49,832.16, 68,776.56 and 28,612.32

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Solution

The fourth proportional to 49,832.16, 68,776.56 and 28,612.32 is: 39,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.16 : 68,776.56 = 28,612.32 : x
  2. Step 2: Convert to fraction form
    49,832.16/68,776.56 = 28,612.32/x
  3. Step 3: Cross multiply
    49,832.16x = 68,776.56 × 28,612.32
  4. Step 4: Simplify right side
    49,832.16x = 1,967,856,943.22
  5. Step 5: Solve for x
    x = 1,967,856,943.22/49,832.16
  6. Step 6: Final answer
    x = 39,489.70

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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.