Home / 32,962.20-45,496.44-20,379.84

Finding the Fourth Proportional to 32,962.20, 45,496.44 and 20,379.84

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Solution

The fourth proportional to 32,962.20, 45,496.44 and 20,379.84 is: 28,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,962.20 : 45,496.44 = 20,379.84 : x
  2. Step 2: Convert to fraction form
    32,962.20/45,496.44 = 20,379.84/x
  3. Step 3: Cross multiply
    32,962.20x = 45,496.44 × 20,379.84
  4. Step 4: Simplify right side
    32,962.20x = 927,210,167.77
  5. Step 5: Solve for x
    x = 927,210,167.77/32,962.20
  6. Step 6: Final answer
    x = 28,129.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.