Home / 38,226.87-52,750.53-21,229.74

Finding the Fourth Proportional to 38,226.87, 52,750.53 and 21,229.74

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Solution

The fourth proportional to 38,226.87, 52,750.53 and 21,229.74 is: 29,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.87 : 52,750.53 = 21,229.74 : x
  2. Step 2: Convert to fraction form
    38,226.87/52,750.53 = 21,229.74/x
  3. Step 3: Cross multiply
    38,226.87x = 52,750.53 × 21,229.74
  4. Step 4: Simplify right side
    38,226.87x = 1,119,880,036.76
  5. Step 5: Solve for x
    x = 1,119,880,036.76/38,226.87
  6. Step 6: Final answer
    x = 29,295.62

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1.5x scale

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.