Home / 56,266.95-84,422.30-21,231.21

Finding the Fourth Proportional to 56,266.95, 84,422.30 and 21,231.21

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Solution

The fourth proportional to 56,266.95, 84,422.30 and 21,231.21 is: 31,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,266.95 : 84,422.30 = 21,231.21 : x
  2. Step 2: Convert to fraction form
    56,266.95/84,422.30 = 21,231.21/x
  3. Step 3: Cross multiply
    56,266.95x = 84,422.30 × 21,231.21
  4. Step 4: Simplify right side
    56,266.95x = 1,792,387,909.84
  5. Step 5: Solve for x
    x = 1,792,387,909.84/56,266.95
  6. Step 6: Final answer
    x = 31,855.07

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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.