Home / 38,370.32-57,555.62-19,640.14

Finding the Fourth Proportional to 38,370.32, 57,555.62 and 19,640.14

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Solution

The fourth proportional to 38,370.32, 57,555.62 and 19,640.14 is: 29,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.32 : 57,555.62 = 19,640.14 : x
  2. Step 2: Convert to fraction form
    38,370.32/57,555.62 = 19,640.14/x
  3. Step 3: Cross multiply
    38,370.32x = 57,555.62 × 19,640.14
  4. Step 4: Simplify right side
    38,370.32x = 1,130,400,177.61
  5. Step 5: Solve for x
    x = 1,130,400,177.61/38,370.32
  6. Step 6: Final answer
    x = 29,460.28

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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.