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Finding the Fourth Proportional to 57,089.00, 85,647.78 and 21,550.25

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Solution

The fourth proportional to 57,089.00, 85,647.78 and 21,550.25 is: 32,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.00 : 85,647.78 = 21,550.25 : x
  2. Step 2: Convert to fraction form
    57,089.00/85,647.78 = 21,550.25/x
  3. Step 3: Cross multiply
    57,089.00x = 85,647.78 × 21,550.25
  4. Step 4: Simplify right side
    57,089.00x = 1,845,731,285.06
  5. Step 5: Solve for x
    x = 1,845,731,285.06/57,089.00
  6. Step 6: Final answer
    x = 32,330.77

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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.