Home / 37,155.36-55,744.88-13,785.12

Finding the Fourth Proportional to 37,155.36, 55,744.88 and 13,785.12

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Solution

The fourth proportional to 37,155.36, 55,744.88 and 13,785.12 is: 20,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.36 : 55,744.88 = 13,785.12 : x
  2. Step 2: Convert to fraction form
    37,155.36/55,744.88 = 13,785.12/x
  3. Step 3: Cross multiply
    37,155.36x = 55,744.88 × 13,785.12
  4. Step 4: Simplify right side
    37,155.36x = 768,449,860.19
  5. Step 5: Solve for x
    x = 768,449,860.19/37,155.36
  6. Step 6: Final answer
    x = 20,682.07

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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.