Home / 53,660.64-80,490.96-18,600.30

Finding the Fourth Proportional to 53,660.64, 80,490.96 and 18,600.30

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Solution

The fourth proportional to 53,660.64, 80,490.96 and 18,600.30 is: 27,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.64 : 80,490.96 = 18,600.30 : x
  2. Step 2: Convert to fraction form
    53,660.64/80,490.96 = 18,600.30/x
  3. Step 3: Cross multiply
    53,660.64x = 80,490.96 × 18,600.30
  4. Step 4: Simplify right side
    53,660.64x = 1,497,156,003.29
  5. Step 5: Solve for x
    x = 1,497,156,003.29/53,660.64
  6. Step 6: Final answer
    x = 27,900.45

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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.