Home / 38,453.60-57,637.20-19,726.40

Finding the Fourth Proportional to 38,453.60, 57,637.20 and 19,726.40

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Solution

The fourth proportional to 38,453.60, 57,637.20 and 19,726.40 is: 29,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.60 : 57,637.20 = 19,726.40 : x
  2. Step 2: Convert to fraction form
    38,453.60/57,637.20 = 19,726.40/x
  3. Step 3: Cross multiply
    38,453.60x = 57,637.20 × 19,726.40
  4. Step 4: Simplify right side
    38,453.60x = 1,136,974,462.08
  5. Step 5: Solve for x
    x = 1,136,974,462.08/38,453.60
  6. Step 6: Final answer
    x = 29,567.44

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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.