Home / 38,723.36-58,154-31,716.64

Finding the Fourth Proportional to 38,723.36, 58,154 and 31,716.64

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Solution

The fourth proportional to 38,723.36, 58,154 and 31,716.64 is: 47,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.36 : 58,154 = 31,716.64 : x
  2. Step 2: Convert to fraction form
    38,723.36/58,154 = 31,716.64/x
  3. Step 3: Cross multiply
    38,723.36x = 58,154 × 31,716.64
  4. Step 4: Simplify right side
    38,723.36x = 1,844,449,482.56
  5. Step 5: Solve for x
    x = 1,844,449,482.56/38,723.36
  6. Step 6: Final answer
    x = 47,631.44

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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.