Home / 38,409.78-57,626.55-19,703.10

Finding the Fourth Proportional to 38,409.78, 57,626.55 and 19,703.10

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Solution

The fourth proportional to 38,409.78, 57,626.55 and 19,703.10 is: 29,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.78 : 57,626.55 = 19,703.10 : x
  2. Step 2: Convert to fraction form
    38,409.78/57,626.55 = 19,703.10/x
  3. Step 3: Cross multiply
    38,409.78x = 57,626.55 × 19,703.10
  4. Step 4: Simplify right side
    38,409.78x = 1,135,421,677.31
  5. Step 5: Solve for x
    x = 1,135,421,677.31/38,409.78
  6. Step 6: Final answer
    x = 29,560.74

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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.