Home / 49,840.80-68,781.84-28,624.32

Finding the Fourth Proportional to 49,840.80, 68,781.84 and 28,624.32

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Solution

The fourth proportional to 49,840.80, 68,781.84 and 28,624.32 is: 39,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.80 : 68,781.84 = 28,624.32 : x
  2. Step 2: Convert to fraction form
    49,840.80/68,781.84 = 28,624.32/x
  3. Step 3: Cross multiply
    49,840.80x = 68,781.84 × 28,624.32
  4. Step 4: Simplify right side
    49,840.80x = 1,968,833,398.35
  5. Step 5: Solve for x
    x = 1,968,833,398.35/49,840.80
  6. Step 6: Final answer
    x = 39,502.44

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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.