Home / 49,416.48-68,178.96-28,196.64

Finding the Fourth Proportional to 49,416.48, 68,178.96 and 28,196.64

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Solution

The fourth proportional to 49,416.48, 68,178.96 and 28,196.64 is: 38,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.48 : 68,178.96 = 28,196.64 : x
  2. Step 2: Convert to fraction form
    49,416.48/68,178.96 = 28,196.64/x
  3. Step 3: Cross multiply
    49,416.48x = 68,178.96 × 28,196.64
  4. Step 4: Simplify right side
    49,416.48x = 1,922,417,590.69
  5. Step 5: Solve for x
    x = 1,922,417,590.69/49,416.48
  6. Step 6: Final answer
    x = 38,902.36

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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.