Home / 71,544.21-107,317.05-21,624.72

Finding the Fourth Proportional to 71,544.21, 107,317.05 and 21,624.72

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Solution

The fourth proportional to 71,544.21, 107,317.05 and 21,624.72 is: 32,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.21 : 107,317.05 = 21,624.72 : x
  2. Step 2: Convert to fraction form
    71,544.21/107,317.05 = 21,624.72/x
  3. Step 3: Cross multiply
    71,544.21x = 107,317.05 × 21,624.72
  4. Step 4: Simplify right side
    71,544.21x = 2,320,700,620.89
  5. Step 5: Solve for x
    x = 2,320,700,620.89/71,544.21
  6. Step 6: Final answer
    x = 32,437.30

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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.