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Finding the Fourth Proportional to 57,525.88, 86,292.74 and 19,559.69

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Solution

The fourth proportional to 57,525.88, 86,292.74 and 19,559.69 is: 29,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,525.88 : 86,292.74 = 19,559.69 : x
  2. Step 2: Convert to fraction form
    57,525.88/86,292.74 = 19,559.69/x
  3. Step 3: Cross multiply
    57,525.88x = 86,292.74 × 19,559.69
  4. Step 4: Simplify right side
    57,525.88x = 1,687,859,670.08
  5. Step 5: Solve for x
    x = 1,687,859,670.08/57,525.88
  6. Step 6: Final answer
    x = 29,340.88

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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.