Home / 56,136.66-84,187.47-18,687.96

Finding the Fourth Proportional to 56,136.66, 84,187.47 and 18,687.96

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Solution

The fourth proportional to 56,136.66, 84,187.47 and 18,687.96 is: 28,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,136.66 : 84,187.47 = 18,687.96 : x
  2. Step 2: Convert to fraction form
    56,136.66/84,187.47 = 18,687.96/x
  3. Step 3: Cross multiply
    56,136.66x = 84,187.47 × 18,687.96
  4. Step 4: Simplify right side
    56,136.66x = 1,573,292,071.86
  5. Step 5: Solve for x
    x = 1,573,292,071.86/56,136.66
  6. Step 6: Final answer
    x = 28,026.11

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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.