Home / 40,721.17-56,194.66-22,816.52

Finding the Fourth Proportional to 40,721.17, 56,194.66 and 22,816.52

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Solution

The fourth proportional to 40,721.17, 56,194.66 and 22,816.52 is: 31,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.17 : 56,194.66 = 22,816.52 : x
  2. Step 2: Convert to fraction form
    40,721.17/56,194.66 = 22,816.52/x
  3. Step 3: Cross multiply
    40,721.17x = 56,194.66 × 22,816.52
  4. Step 4: Simplify right side
    40,721.17x = 1,282,166,583.78
  5. Step 5: Solve for x
    x = 1,282,166,583.78/40,721.17
  6. Step 6: Final answer
    x = 31,486.49

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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.