Home / 56,698.22-85,043.82-21,152.66

Finding the Fourth Proportional to 56,698.22, 85,043.82 and 21,152.66

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Solution

The fourth proportional to 56,698.22, 85,043.82 and 21,152.66 is: 31,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698.22 : 85,043.82 = 21,152.66 : x
  2. Step 2: Convert to fraction form
    56,698.22/85,043.82 = 21,152.66/x
  3. Step 3: Cross multiply
    56,698.22x = 85,043.82 × 21,152.66
  4. Step 4: Simplify right side
    56,698.22x = 1,798,903,009.56
  5. Step 5: Solve for x
    x = 1,798,903,009.56/56,698.22
  6. Step 6: Final answer
    x = 31,727.68

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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.