Home / 61,259.29-91,830.61-19,677.13

Finding the Fourth Proportional to 61,259.29, 91,830.61 and 19,677.13

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Solution

The fourth proportional to 61,259.29, 91,830.61 and 19,677.13 is: 29,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,259.29 : 91,830.61 = 19,677.13 : x
  2. Step 2: Convert to fraction form
    61,259.29/91,830.61 = 19,677.13/x
  3. Step 3: Cross multiply
    61,259.29x = 91,830.61 × 19,677.13
  4. Step 4: Simplify right side
    61,259.29x = 1,806,962,850.95
  5. Step 5: Solve for x
    x = 1,806,962,850.95/61,259.29
  6. Step 6: Final answer
    x = 29,496.96

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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.