Home / 49,428.64-68,216.43-28,211.11

Finding the Fourth Proportional to 49,428.64, 68,216.43 and 28,211.11

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Solution

The fourth proportional to 49,428.64, 68,216.43 and 28,211.11 is: 38,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.64 : 68,216.43 = 28,211.11 : x
  2. Step 2: Convert to fraction form
    49,428.64/68,216.43 = 28,211.11/x
  3. Step 3: Cross multiply
    49,428.64x = 68,216.43 × 28,211.11
  4. Step 4: Simplify right side
    49,428.64x = 1,924,461,210.54
  5. Step 5: Solve for x
    x = 1,924,461,210.54/49,428.64
  6. Step 6: Final answer
    x = 38,934.13

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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.