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Finding the Fourth Proportional to 57,579.02, 86,303.00 and 35,039.99

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Solution

The fourth proportional to 57,579.02, 86,303.00 and 35,039.99 is: 52,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,579.02 : 86,303.00 = 35,039.99 : x
  2. Step 2: Convert to fraction form
    57,579.02/86,303.00 = 35,039.99/x
  3. Step 3: Cross multiply
    57,579.02x = 86,303.00 × 35,039.99
  4. Step 4: Simplify right side
    57,579.02x = 3,024,055,650.26
  5. Step 5: Solve for x
    x = 3,024,055,650.26/57,579.02
  6. Step 6: Final answer
    x = 52,520.10

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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.