Home / 56,256.39-84,404.03-21,206.07

Finding the Fourth Proportional to 56,256.39, 84,404.03 and 21,206.07

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Solution

The fourth proportional to 56,256.39, 84,404.03 and 21,206.07 is: 31,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,256.39 : 84,404.03 = 21,206.07 : x
  2. Step 2: Convert to fraction form
    56,256.39/84,404.03 = 21,206.07/x
  3. Step 3: Cross multiply
    56,256.39x = 84,404.03 × 21,206.07
  4. Step 4: Simplify right side
    56,256.39x = 1,789,877,662.43
  5. Step 5: Solve for x
    x = 1,789,877,662.43/56,256.39
  6. Step 6: Final answer
    x = 31,816.43

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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.