Home / 61,264.68-91,909.78-19,143.06

Finding the Fourth Proportional to 61,264.68, 91,909.78 and 19,143.06

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Solution

The fourth proportional to 61,264.68, 91,909.78 and 19,143.06 is: 28,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264.68 : 91,909.78 = 19,143.06 : x
  2. Step 2: Convert to fraction form
    61,264.68/91,909.78 = 19,143.06/x
  3. Step 3: Cross multiply
    61,264.68x = 91,909.78 × 19,143.06
  4. Step 4: Simplify right side
    61,264.68x = 1,759,434,433.13
  5. Step 5: Solve for x
    x = 1,759,434,433.13/61,264.68
  6. Step 6: Final answer
    x = 28,718.58

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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.