Home / 38,315.76-57,436.70-19,604.60

Finding the Fourth Proportional to 38,315.76, 57,436.70 and 19,604.60

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Solution

The fourth proportional to 38,315.76, 57,436.70 and 19,604.60 is: 29,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.76 : 57,436.70 = 19,604.60 : x
  2. Step 2: Convert to fraction form
    38,315.76/57,436.70 = 19,604.60/x
  3. Step 3: Cross multiply
    38,315.76x = 57,436.70 × 19,604.60
  4. Step 4: Simplify right side
    38,315.76x = 1,126,023,528.82
  5. Step 5: Solve for x
    x = 1,126,023,528.82/38,315.76
  6. Step 6: Final answer
    x = 29,388.00

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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.