Home / 40,719.71-56,198.75-22,818.51

Finding the Fourth Proportional to 40,719.71, 56,198.75 and 22,818.51

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Solution

The fourth proportional to 40,719.71, 56,198.75 and 22,818.51 is: 31,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.71 : 56,198.75 = 22,818.51 : x
  2. Step 2: Convert to fraction form
    40,719.71/56,198.75 = 22,818.51/x
  3. Step 3: Cross multiply
    40,719.71x = 56,198.75 × 22,818.51
  4. Step 4: Simplify right side
    40,719.71x = 1,282,371,624.77
  5. Step 5: Solve for x
    x = 1,282,371,624.77/40,719.71
  6. Step 6: Final answer
    x = 31,492.66

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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.