Home / 38,152.99-52,648.27-21,382.75

Finding the Fourth Proportional to 38,152.99, 52,648.27 and 21,382.75

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Solution

The fourth proportional to 38,152.99, 52,648.27 and 21,382.75 is: 29,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.99 : 52,648.27 = 21,382.75 : x
  2. Step 2: Convert to fraction form
    38,152.99/52,648.27 = 21,382.75/x
  3. Step 3: Cross multiply
    38,152.99x = 52,648.27 × 21,382.75
  4. Step 4: Simplify right side
    38,152.99x = 1,125,764,795.34
  5. Step 5: Solve for x
    x = 1,125,764,795.34/38,152.99
  6. Step 6: Final answer
    x = 29,506.59

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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.