Home / 40,260.78-55,558.10-22,354.38

Finding the Fourth Proportional to 40,260.78, 55,558.10 and 22,354.38

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Solution

The fourth proportional to 40,260.78, 55,558.10 and 22,354.38 is: 30,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.78 : 55,558.10 = 22,354.38 : x
  2. Step 2: Convert to fraction form
    40,260.78/55,558.10 = 22,354.38/x
  3. Step 3: Cross multiply
    40,260.78x = 55,558.10 × 22,354.38
  4. Step 4: Simplify right side
    40,260.78x = 1,241,966,935.36
  5. Step 5: Solve for x
    x = 1,241,966,935.36/40,260.78
  6. Step 6: Final answer
    x = 30,848.06

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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.