Home / 39,643.17-54,736.28-25,520.62

Finding the Fourth Proportional to 39,643.17, 54,736.28 and 25,520.62

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Solution

The fourth proportional to 39,643.17, 54,736.28 and 25,520.62 is: 35,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.17 : 54,736.28 = 25,520.62 : x
  2. Step 2: Convert to fraction form
    39,643.17/54,736.28 = 25,520.62/x
  3. Step 3: Cross multiply
    39,643.17x = 54,736.28 × 25,520.62
  4. Step 4: Simplify right side
    39,643.17x = 1,396,903,807.76
  5. Step 5: Solve for x
    x = 1,396,903,807.76/39,643.17
  6. Step 6: Final answer
    x = 35,236.93

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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.