Home / 29,811.96-41,137.20-17,875.80

Finding the Fourth Proportional to 29,811.96, 41,137.20 and 17,875.80

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Solution

The fourth proportional to 29,811.96, 41,137.20 and 17,875.80 is: 24,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.96 : 41,137.20 = 17,875.80 : x
  2. Step 2: Convert to fraction form
    29,811.96/41,137.20 = 17,875.80/x
  3. Step 3: Cross multiply
    29,811.96x = 41,137.20 × 17,875.80
  4. Step 4: Simplify right side
    29,811.96x = 735,360,359.76
  5. Step 5: Solve for x
    x = 735,360,359.76/29,811.96
  6. Step 6: Final answer
    x = 24,666.62

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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.