Home / 40,719.48-56,192.82-22,814.61

Finding the Fourth Proportional to 40,719.48, 56,192.82 and 22,814.61

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Solution

The fourth proportional to 40,719.48, 56,192.82 and 22,814.61 is: 31,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.48 : 56,192.82 = 22,814.61 : x
  2. Step 2: Convert to fraction form
    40,719.48/56,192.82 = 22,814.61/x
  3. Step 3: Cross multiply
    40,719.48x = 56,192.82 × 22,814.61
  4. Step 4: Simplify right side
    40,719.48x = 1,282,017,273.10
  5. Step 5: Solve for x
    x = 1,282,017,273.10/40,719.48
  6. Step 6: Final answer
    x = 31,484.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.