Home / 37,690.20-52,005.78-21,768.84

Finding the Fourth Proportional to 37,690.20, 52,005.78 and 21,768.84

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Solution

The fourth proportional to 37,690.20, 52,005.78 and 21,768.84 is: 30,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.20 : 52,005.78 = 21,768.84 : x
  2. Step 2: Convert to fraction form
    37,690.20/52,005.78 = 21,768.84/x
  3. Step 3: Cross multiply
    37,690.20x = 52,005.78 × 21,768.84
  4. Step 4: Simplify right side
    37,690.20x = 1,132,105,503.90
  5. Step 5: Solve for x
    x = 1,132,105,503.90/37,690.20
  6. Step 6: Final answer
    x = 30,037.13

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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.