Home / 32,904.30-49,356.45-20,219.70

Finding the Fourth Proportional to 32,904.30, 49,356.45 and 20,219.70

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Solution

The fourth proportional to 32,904.30, 49,356.45 and 20,219.70 is: 30,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,904.30 : 49,356.45 = 20,219.70 : x
  2. Step 2: Convert to fraction form
    32,904.30/49,356.45 = 20,219.70/x
  3. Step 3: Cross multiply
    32,904.30x = 49,356.45 × 20,219.70
  4. Step 4: Simplify right side
    32,904.30x = 997,972,612.07
  5. Step 5: Solve for x
    x = 997,972,612.07/32,904.30
  6. Step 6: Final answer
    x = 30,329.55

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1.5x scale

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.