Home / 49,793.35-74,688.23-20,210.35

Finding the Fourth Proportional to 49,793.35, 74,688.23 and 20,210.35

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Solution

The fourth proportional to 49,793.35, 74,688.23 and 20,210.35 is: 30,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.35 : 74,688.23 = 20,210.35 : x
  2. Step 2: Convert to fraction form
    49,793.35/74,688.23 = 20,210.35/x
  3. Step 3: Cross multiply
    49,793.35x = 74,688.23 × 20,210.35
  4. Step 4: Simplify right side
    49,793.35x = 1,509,475,168.13
  5. Step 5: Solve for x
    x = 1,509,475,168.13/49,793.35
  6. Step 6: Final answer
    x = 30,314.79

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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.