Home / 40,622.84-56,062.38-22,719.51

Finding the Fourth Proportional to 40,622.84, 56,062.38 and 22,719.51

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Solution

The fourth proportional to 40,622.84, 56,062.38 and 22,719.51 is: 31,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622.84 : 56,062.38 = 22,719.51 : x
  2. Step 2: Convert to fraction form
    40,622.84/56,062.38 = 22,719.51/x
  3. Step 3: Cross multiply
    40,622.84x = 56,062.38 × 22,719.51
  4. Step 4: Simplify right side
    40,622.84x = 1,273,709,918.11
  5. Step 5: Solve for x
    x = 1,273,709,918.11/40,622.84
  6. Step 6: Final answer
    x = 31,354.53

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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.