Home / 29,816.16-41,129.28-18,480.48

Finding the Fourth Proportional to 29,816.16, 41,129.28 and 18,480.48

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Solution

The fourth proportional to 29,816.16, 41,129.28 and 18,480.48 is: 25,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,816.16 : 41,129.28 = 18,480.48 : x
  2. Step 2: Convert to fraction form
    29,816.16/41,129.28 = 18,480.48/x
  3. Step 3: Cross multiply
    29,816.16x = 41,129.28 × 18,480.48
  4. Step 4: Simplify right side
    29,816.16x = 760,088,836.45
  5. Step 5: Solve for x
    x = 760,088,836.45/29,816.16
  6. Step 6: Final answer
    x = 25,492.51

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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.