Home / 49,748.64-74,599.56-20,143.96

Finding the Fourth Proportional to 49,748.64, 74,599.56 and 20,143.96

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Solution

The fourth proportional to 49,748.64, 74,599.56 and 20,143.96 is: 30,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.64 : 74,599.56 = 20,143.96 : x
  2. Step 2: Convert to fraction form
    49,748.64/74,599.56 = 20,143.96/x
  3. Step 3: Cross multiply
    49,748.64x = 74,599.56 × 20,143.96
  4. Step 4: Simplify right side
    49,748.64x = 1,502,730,552.66
  5. Step 5: Solve for x
    x = 1,502,730,552.66/49,748.64
  6. Step 6: Final answer
    x = 30,206.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.