Home / 53,660.51-80,490.76-18,600.17

Finding the Fourth Proportional to 53,660.51, 80,490.76 and 18,600.17

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Solution

The fourth proportional to 53,660.51, 80,490.76 and 18,600.17 is: 27,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.51 : 80,490.76 = 18,600.17 : x
  2. Step 2: Convert to fraction form
    53,660.51/80,490.76 = 18,600.17/x
  3. Step 3: Cross multiply
    53,660.51x = 80,490.76 × 18,600.17
  4. Step 4: Simplify right side
    53,660.51x = 1,497,141,475.10
  5. Step 5: Solve for x
    x = 1,497,141,475.10/53,660.51
  6. Step 6: Final answer
    x = 27,900.25

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Similar ratio
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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.