Home / 38,215.92-57,322.32-19,495.55

Finding the Fourth Proportional to 38,215.92, 57,322.32 and 19,495.55

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Solution

The fourth proportional to 38,215.92, 57,322.32 and 19,495.55 is: 29,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,215.92 : 57,322.32 = 19,495.55 : x
  2. Step 2: Convert to fraction form
    38,215.92/57,322.32 = 19,495.55/x
  3. Step 3: Cross multiply
    38,215.92x = 57,322.32 × 19,495.55
  4. Step 4: Simplify right side
    38,215.92x = 1,117,529,869.06
  5. Step 5: Solve for x
    x = 1,117,529,869.06/38,215.92
  6. Step 6: Final answer
    x = 29,242.52

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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.