Home / 61,292.64-91,953.36-19,738.08

Finding the Fourth Proportional to 61,292.64, 91,953.36 and 19,738.08

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Solution

The fourth proportional to 61,292.64, 91,953.36 and 19,738.08 is: 29,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.64 : 91,953.36 = 19,738.08 : x
  2. Step 2: Convert to fraction form
    61,292.64/91,953.36 = 19,738.08/x
  3. Step 3: Cross multiply
    61,292.64x = 91,953.36 × 19,738.08
  4. Step 4: Simplify right side
    61,292.64x = 1,814,982,775.95
  5. Step 5: Solve for x
    x = 1,814,982,775.95/61,292.64
  6. Step 6: Final answer
    x = 29,611.76

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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.