Home / 61,259.68-91,902.27-19,138.06

Finding the Fourth Proportional to 61,259.68, 91,902.27 and 19,138.06

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Solution

The fourth proportional to 61,259.68, 91,902.27 and 19,138.06 is: 28,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,259.68 : 91,902.27 = 19,138.06 : x
  2. Step 2: Convert to fraction form
    61,259.68/91,902.27 = 19,138.06/x
  3. Step 3: Cross multiply
    61,259.68x = 91,902.27 × 19,138.06
  4. Step 4: Simplify right side
    61,259.68x = 1,758,830,719.44
  5. Step 5: Solve for x
    x = 1,758,830,719.44/61,259.68
  6. Step 6: Final answer
    x = 28,711.07

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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.