Home / 37,185.38-55,778.02-10,890.12

Finding the Fourth Proportional to 37,185.38, 55,778.02 and 10,890.12

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Solution

The fourth proportional to 37,185.38, 55,778.02 and 10,890.12 is: 16,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.38 : 55,778.02 = 10,890.12 : x
  2. Step 2: Convert to fraction form
    37,185.38/55,778.02 = 10,890.12/x
  3. Step 3: Cross multiply
    37,185.38x = 55,778.02 × 10,890.12
  4. Step 4: Simplify right side
    37,185.38x = 607,429,356.23
  5. Step 5: Solve for x
    x = 607,429,356.23/37,185.38
  6. Step 6: Final answer
    x = 16,335.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.