Home / 32,189.76-44,447.04-20,864.64

Finding the Fourth Proportional to 32,189.76, 44,447.04 and 20,864.64

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Solution

The fourth proportional to 32,189.76, 44,447.04 and 20,864.64 is: 28,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,189.76 : 44,447.04 = 20,864.64 : x
  2. Step 2: Convert to fraction form
    32,189.76/44,447.04 = 20,864.64/x
  3. Step 3: Cross multiply
    32,189.76x = 44,447.04 × 20,864.64
  4. Step 4: Simplify right side
    32,189.76x = 927,371,488.67
  5. Step 5: Solve for x
    x = 927,371,488.67/32,189.76
  6. Step 6: Final answer
    x = 28,809.52

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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.