Home / 61,330.52-91,995.78-19,210.96

Finding the Fourth Proportional to 61,330.52, 91,995.78 and 19,210.96

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Solution

The fourth proportional to 61,330.52, 91,995.78 and 19,210.96 is: 28,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,330.52 : 91,995.78 = 19,210.96 : x
  2. Step 2: Convert to fraction form
    61,330.52/91,995.78 = 19,210.96/x
  3. Step 3: Cross multiply
    61,330.52x = 91,995.78 × 19,210.96
  4. Step 4: Simplify right side
    61,330.52x = 1,767,327,249.75
  5. Step 5: Solve for x
    x = 1,767,327,249.75/61,330.52
  6. Step 6: Final answer
    x = 28,816.44

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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.