Home / 29,388.81-40,555.83-16,812.75

Finding the Fourth Proportional to 29,388.81, 40,555.83 and 16,812.75

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Solution

The fourth proportional to 29,388.81, 40,555.83 and 16,812.75 is: 23,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.81 : 40,555.83 = 16,812.75 : x
  2. Step 2: Convert to fraction form
    29,388.81/40,555.83 = 16,812.75/x
  3. Step 3: Cross multiply
    29,388.81x = 40,555.83 × 16,812.75
  4. Step 4: Simplify right side
    29,388.81x = 681,855,030.83
  5. Step 5: Solve for x
    x = 681,855,030.83/29,388.81
  6. Step 6: Final answer
    x = 23,201.18

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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.