Home / 49,943.52-68,924.16-28,722.81

Finding the Fourth Proportional to 49,943.52, 68,924.16 and 28,722.81

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Solution

The fourth proportional to 49,943.52, 68,924.16 and 28,722.81 is: 39,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,943.52 : 68,924.16 = 28,722.81 : x
  2. Step 2: Convert to fraction form
    49,943.52/68,924.16 = 28,722.81/x
  3. Step 3: Cross multiply
    49,943.52x = 68,924.16 × 28,722.81
  4. Step 4: Simplify right side
    49,943.52x = 1,979,695,099.76
  5. Step 5: Solve for x
    x = 1,979,695,099.76/49,943.52
  6. Step 6: Final answer
    x = 39,638.68

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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.