Home / 39,636.30-54,657.26-27,695.28

Finding the Fourth Proportional to 39,636.30, 54,657.26 and 27,695.28

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Solution

The fourth proportional to 39,636.30, 54,657.26 and 27,695.28 is: 38,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.30 : 54,657.26 = 27,695.28 : x
  2. Step 2: Convert to fraction form
    39,636.30/54,657.26 = 27,695.28/x
  3. Step 3: Cross multiply
    39,636.30x = 54,657.26 × 27,695.28
  4. Step 4: Simplify right side
    39,636.30x = 1,513,748,119.73
  5. Step 5: Solve for x
    x = 1,513,748,119.73/39,636.30
  6. Step 6: Final answer
    x = 38,190.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.