Home / 38,486.08-57,708.48-19,758.40

Finding the Fourth Proportional to 38,486.08, 57,708.48 and 19,758.40

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Solution

The fourth proportional to 38,486.08, 57,708.48 and 19,758.40 is: 29,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.08 : 57,708.48 = 19,758.40 : x
  2. Step 2: Convert to fraction form
    38,486.08/57,708.48 = 19,758.40/x
  3. Step 3: Cross multiply
    38,486.08x = 57,708.48 × 19,758.40
  4. Step 4: Simplify right side
    38,486.08x = 1,140,227,231.23
  5. Step 5: Solve for x
    x = 1,140,227,231.23/38,486.08
  6. Step 6: Final answer
    x = 29,627.00

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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.