Home / 36,772.13-55,155.44-13,078.71

Finding the Fourth Proportional to 36,772.13, 55,155.44 and 13,078.71

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Solution

The fourth proportional to 36,772.13, 55,155.44 and 13,078.71 is: 19,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.13 : 55,155.44 = 13,078.71 : x
  2. Step 2: Convert to fraction form
    36,772.13/55,155.44 = 13,078.71/x
  3. Step 3: Cross multiply
    36,772.13x = 55,155.44 × 13,078.71
  4. Step 4: Simplify right side
    36,772.13x = 721,362,077.18
  5. Step 5: Solve for x
    x = 721,362,077.18/36,772.13
  6. Step 6: Final answer
    x = 19,617.09

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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.