Home / 32,279.36-48,421.82-8,905.79

Finding the Fourth Proportional to 32,279.36, 48,421.82 and 8,905.79

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Solution

The fourth proportional to 32,279.36, 48,421.82 and 8,905.79 is: 13,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,279.36 : 48,421.82 = 8,905.79 : x
  2. Step 2: Convert to fraction form
    32,279.36/48,421.82 = 8,905.79/x
  3. Step 3: Cross multiply
    32,279.36x = 48,421.82 × 8,905.79
  4. Step 4: Simplify right side
    32,279.36x = 431,234,703.66
  5. Step 5: Solve for x
    x = 431,234,703.66/32,279.36
  6. Step 6: Final answer
    x = 13,359.46

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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.