Home / 37,869.69-52,257.81-20,874.06

Finding the Fourth Proportional to 37,869.69, 52,257.81 and 20,874.06

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Solution

The fourth proportional to 37,869.69, 52,257.81 and 20,874.06 is: 28,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.69 : 52,257.81 = 20,874.06 : x
  2. Step 2: Convert to fraction form
    37,869.69/52,257.81 = 20,874.06/x
  3. Step 3: Cross multiply
    37,869.69x = 52,257.81 × 20,874.06
  4. Step 4: Simplify right side
    37,869.69x = 1,090,832,557.04
  5. Step 5: Solve for x
    x = 1,090,832,557.04/37,869.69
  6. Step 6: Final answer
    x = 28,804.90

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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.