Home / 57,214.07-85,809.37-21,663.12

Finding the Fourth Proportional to 57,214.07, 85,809.37 and 21,663.12

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Solution

The fourth proportional to 57,214.07, 85,809.37 and 21,663.12 is: 32,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.07 : 85,809.37 = 21,663.12 : x
  2. Step 2: Convert to fraction form
    57,214.07/85,809.37 = 21,663.12/x
  3. Step 3: Cross multiply
    57,214.07x = 85,809.37 × 21,663.12
  4. Step 4: Simplify right side
    57,214.07x = 1,858,898,571.12
  5. Step 5: Solve for x
    x = 1,858,898,571.12/57,214.07
  6. Step 6: Final answer
    x = 32,490.24

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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.