Home / 52,021.94-71,789.76-28,148.09

Finding the Fourth Proportional to 52,021.94, 71,789.76 and 28,148.09

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Solution

The fourth proportional to 52,021.94, 71,789.76 and 28,148.09 is: 38,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.94 : 71,789.76 = 28,148.09 : x
  2. Step 2: Convert to fraction form
    52,021.94/71,789.76 = 28,148.09/x
  3. Step 3: Cross multiply
    52,021.94x = 71,789.76 × 28,148.09
  4. Step 4: Simplify right side
    52,021.94x = 2,020,744,266.61
  5. Step 5: Solve for x
    x = 2,020,744,266.61/52,021.94
  6. Step 6: Final answer
    x = 38,844.08

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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.