Home / 49,429.12-68,215.08-28,215.22

Finding the Fourth Proportional to 49,429.12, 68,215.08 and 28,215.22

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Solution

The fourth proportional to 49,429.12, 68,215.08 and 28,215.22 is: 38,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.12 : 68,215.08 = 28,215.22 : x
  2. Step 2: Convert to fraction form
    49,429.12/68,215.08 = 28,215.22/x
  3. Step 3: Cross multiply
    49,429.12x = 68,215.08 × 28,215.22
  4. Step 4: Simplify right side
    49,429.12x = 1,924,703,489.52
  5. Step 5: Solve for x
    x = 1,924,703,489.52/49,429.12
  6. Step 6: Final answer
    x = 38,938.66

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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.