Home / 38,161.99-57,168.87-21,471.13

Finding the Fourth Proportional to 38,161.99, 57,168.87 and 21,471.13

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Solution

The fourth proportional to 38,161.99, 57,168.87 and 21,471.13 is: 32,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.99 : 57,168.87 = 21,471.13 : x
  2. Step 2: Convert to fraction form
    38,161.99/57,168.87 = 21,471.13/x
  3. Step 3: Cross multiply
    38,161.99x = 57,168.87 × 21,471.13
  4. Step 4: Simplify right side
    38,161.99x = 1,227,480,239.72
  5. Step 5: Solve for x
    x = 1,227,480,239.72/38,161.99
  6. Step 6: Final answer
    x = 32,165.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.