Home / 36,689.32-55,033.98-19,155.05

Finding the Fourth Proportional to 36,689.32, 55,033.98 and 19,155.05

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Solution

The fourth proportional to 36,689.32, 55,033.98 and 19,155.05 is: 28,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.32 : 55,033.98 = 19,155.05 : x
  2. Step 2: Convert to fraction form
    36,689.32/55,033.98 = 19,155.05/x
  3. Step 3: Cross multiply
    36,689.32x = 55,033.98 × 19,155.05
  4. Step 4: Simplify right side
    36,689.32x = 1,054,178,638.60
  5. Step 5: Solve for x
    x = 1,054,178,638.60/36,689.32
  6. Step 6: Final answer
    x = 28,732.58

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Similar ratio
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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.