Home / 32,811.99-45,279.51-18,472.66

Finding the Fourth Proportional to 32,811.99, 45,279.51 and 18,472.66

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Solution

The fourth proportional to 32,811.99, 45,279.51 and 18,472.66 is: 25,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.99 : 45,279.51 = 18,472.66 : x
  2. Step 2: Convert to fraction form
    32,811.99/45,279.51 = 18,472.66/x
  3. Step 3: Cross multiply
    32,811.99x = 45,279.51 × 18,472.66
  4. Step 4: Simplify right side
    32,811.99x = 836,432,810.73
  5. Step 5: Solve for x
    x = 836,432,810.73/32,811.99
  6. Step 6: Final answer
    x = 25,491.68

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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.