Home / 56,097.57-84,124.49-21,018.09

Finding the Fourth Proportional to 56,097.57, 84,124.49 and 21,018.09

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Solution

The fourth proportional to 56,097.57, 84,124.49 and 21,018.09 is: 31,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,097.57 : 84,124.49 = 21,018.09 : x
  2. Step 2: Convert to fraction form
    56,097.57/84,124.49 = 21,018.09/x
  3. Step 3: Cross multiply
    56,097.57x = 84,124.49 × 21,018.09
  4. Step 4: Simplify right side
    56,097.57x = 1,768,136,102.02
  5. Step 5: Solve for x
    x = 1,768,136,102.02/56,097.57
  6. Step 6: Final answer
    x = 31,518.94

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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.