Home / 52,122.07-71,928.58-28,248.74

Finding the Fourth Proportional to 52,122.07, 71,928.58 and 28,248.74

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Solution

The fourth proportional to 52,122.07, 71,928.58 and 28,248.74 is: 38,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.07 : 71,928.58 = 28,248.74 : x
  2. Step 2: Convert to fraction form
    52,122.07/71,928.58 = 28,248.74/x
  3. Step 3: Cross multiply
    52,122.07x = 71,928.58 × 28,248.74
  4. Step 4: Simplify right side
    52,122.07x = 2,031,891,754.99
  5. Step 5: Solve for x
    x = 2,031,891,754.99/52,122.07
  6. Step 6: Final answer
    x = 38,983.33

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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.