Home / 40,721.54-56,201.66-22,817.76

Finding the Fourth Proportional to 40,721.54, 56,201.66 and 22,817.76

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Solution

The fourth proportional to 40,721.54, 56,201.66 and 22,817.76 is: 31,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.54 : 56,201.66 = 22,817.76 : x
  2. Step 2: Convert to fraction form
    40,721.54/56,201.66 = 22,817.76/x
  3. Step 3: Cross multiply
    40,721.54x = 56,201.66 × 22,817.76
  4. Step 4: Simplify right side
    40,721.54x = 1,282,395,875.39
  5. Step 5: Solve for x
    x = 1,282,395,875.39/40,721.54
  6. Step 6: Final answer
    x = 31,491.84

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1.5x scale

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.