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Finding the Fourth Proportional to 57,483.68, 86,235.24 and 26,321.36

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Solution

The fourth proportional to 57,483.68, 86,235.24 and 26,321.36 is: 39,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,483.68 : 86,235.24 = 26,321.36 : x
  2. Step 2: Convert to fraction form
    57,483.68/86,235.24 = 26,321.36/x
  3. Step 3: Cross multiply
    57,483.68x = 86,235.24 × 26,321.36
  4. Step 4: Simplify right side
    57,483.68x = 2,269,828,796.73
  5. Step 5: Solve for x
    x = 2,269,828,796.73/57,483.68
  6. Step 6: Final answer
    x = 39,486.49

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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.