Home / 36,155.58-54,228.24-13,979.40

Finding the Fourth Proportional to 36,155.58, 54,228.24 and 13,979.40

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Solution

The fourth proportional to 36,155.58, 54,228.24 and 13,979.40 is: 20,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.58 : 54,228.24 = 13,979.40 : x
  2. Step 2: Convert to fraction form
    36,155.58/54,228.24 = 13,979.40/x
  3. Step 3: Cross multiply
    36,155.58x = 54,228.24 × 13,979.40
  4. Step 4: Simplify right side
    36,155.58x = 758,078,258.26
  5. Step 5: Solve for x
    x = 758,078,258.26/36,155.58
  6. Step 6: Final answer
    x = 20,967.12

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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.