Home / 38,453.12-57,707.84-19,748.76

Finding the Fourth Proportional to 38,453.12, 57,707.84 and 19,748.76

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Solution

The fourth proportional to 38,453.12, 57,707.84 and 19,748.76 is: 29,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.12 : 57,707.84 = 19,748.76 : x
  2. Step 2: Convert to fraction form
    38,453.12/57,707.84 = 19,748.76/x
  3. Step 3: Cross multiply
    38,453.12x = 57,707.84 × 19,748.76
  4. Step 4: Simplify right side
    38,453.12x = 1,139,658,282.28
  5. Step 5: Solve for x
    x = 1,139,658,282.28/38,453.12
  6. Step 6: Final answer
    x = 29,637.60

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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.