Home / 49,438.68-68,221.62-28,215.06

Finding the Fourth Proportional to 49,438.68, 68,221.62 and 28,215.06

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Solution

The fourth proportional to 49,438.68, 68,221.62 and 28,215.06 is: 38,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.68 : 68,221.62 = 28,215.06 : x
  2. Step 2: Convert to fraction form
    49,438.68/68,221.62 = 28,215.06/x
  3. Step 3: Cross multiply
    49,438.68x = 68,221.62 × 28,215.06
  4. Step 4: Simplify right side
    49,438.68x = 1,924,877,101.60
  5. Step 5: Solve for x
    x = 1,924,877,101.60/49,438.68
  6. Step 6: Final answer
    x = 38,934.64

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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.