Home / 52,112.73-71,915.52-28,239.21

Finding the Fourth Proportional to 52,112.73, 71,915.52 and 28,239.21

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Solution

The fourth proportional to 52,112.73, 71,915.52 and 28,239.21 is: 38,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.73 : 71,915.52 = 28,239.21 : x
  2. Step 2: Convert to fraction form
    52,112.73/71,915.52 = 28,239.21/x
  3. Step 3: Cross multiply
    52,112.73x = 71,915.52 × 28,239.21
  4. Step 4: Simplify right side
    52,112.73x = 2,030,837,471.54
  5. Step 5: Solve for x
    x = 2,030,837,471.54/52,112.73
  6. Step 6: Final answer
    x = 38,970.08

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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.