Home / 38,378.44-57,592.16-18,646.24

Finding the Fourth Proportional to 38,378.44, 57,592.16 and 18,646.24

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Solution

The fourth proportional to 38,378.44, 57,592.16 and 18,646.24 is: 27,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.44 : 57,592.16 = 18,646.24 : x
  2. Step 2: Convert to fraction form
    38,378.44/57,592.16 = 18,646.24/x
  3. Step 3: Cross multiply
    38,378.44x = 57,592.16 × 18,646.24
  4. Step 4: Simplify right side
    38,378.44x = 1,073,877,237.48
  5. Step 5: Solve for x
    x = 1,073,877,237.48/38,378.44
  6. Step 6: Final answer
    x = 27,981.26

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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.