Home / 32,400.88-48,616.68-19,279.12

Finding the Fourth Proportional to 32,400.88, 48,616.68 and 19,279.12

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Solution

The fourth proportional to 32,400.88, 48,616.68 and 19,279.12 is: 28,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,400.88 : 48,616.68 = 19,279.12 : x
  2. Step 2: Convert to fraction form
    32,400.88/48,616.68 = 19,279.12/x
  3. Step 3: Cross multiply
    32,400.88x = 48,616.68 × 19,279.12
  4. Step 4: Simplify right side
    32,400.88x = 937,286,807.72
  5. Step 5: Solve for x
    x = 937,286,807.72/32,400.88
  6. Step 6: Final answer
    x = 28,927.82

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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.