Home / 56,098.40-84,122.98-21,013.44

Finding the Fourth Proportional to 56,098.40, 84,122.98 and 21,013.44

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Solution

The fourth proportional to 56,098.40, 84,122.98 and 21,013.44 is: 31,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,098.40 : 84,122.98 = 21,013.44 : x
  2. Step 2: Convert to fraction form
    56,098.40/84,122.98 = 21,013.44/x
  3. Step 3: Cross multiply
    56,098.40x = 84,122.98 × 21,013.44
  4. Step 4: Simplify right side
    56,098.40x = 1,767,713,192.85
  5. Step 5: Solve for x
    x = 1,767,713,192.85/56,098.40
  6. Step 6: Final answer
    x = 31,510.94

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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.