Home / 49,914.92-74,851.58-20,312.66

Finding the Fourth Proportional to 49,914.92, 74,851.58 and 20,312.66

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Solution

The fourth proportional to 49,914.92, 74,851.58 and 20,312.66 is: 30,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,914.92 : 74,851.58 = 20,312.66 : x
  2. Step 2: Convert to fraction form
    49,914.92/74,851.58 = 20,312.66/x
  3. Step 3: Cross multiply
    49,914.92x = 74,851.58 × 20,312.66
  4. Step 4: Simplify right side
    49,914.92x = 1,520,434,219.18
  5. Step 5: Solve for x
    x = 1,520,434,219.18/49,914.92
  6. Step 6: Final answer
    x = 30,460.52

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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.