Home / 38,445.96-57,618.70-19,710.12

Finding the Fourth Proportional to 38,445.96, 57,618.70 and 19,710.12

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Solution

The fourth proportional to 38,445.96, 57,618.70 and 19,710.12 is: 29,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.96 : 57,618.70 = 19,710.12 : x
  2. Step 2: Convert to fraction form
    38,445.96/57,618.70 = 19,710.12/x
  3. Step 3: Cross multiply
    38,445.96x = 57,618.70 × 19,710.12
  4. Step 4: Simplify right side
    38,445.96x = 1,135,671,491.24
  5. Step 5: Solve for x
    x = 1,135,671,491.24/38,445.96
  6. Step 6: Final answer
    x = 29,539.42

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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.