Home / 32,776.32-45,231.23-18,631.89

Finding the Fourth Proportional to 32,776.32, 45,231.23 and 18,631.89

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Solution

The fourth proportional to 32,776.32, 45,231.23 and 18,631.89 is: 25,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,776.32 : 45,231.23 = 18,631.89 : x
  2. Step 2: Convert to fraction form
    32,776.32/45,231.23 = 18,631.89/x
  3. Step 3: Cross multiply
    32,776.32x = 45,231.23 × 18,631.89
  4. Step 4: Simplify right side
    32,776.32x = 842,743,208.77
  5. Step 5: Solve for x
    x = 842,743,208.77/32,776.32
  6. Step 6: Final answer
    x = 25,711.95

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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.