Home / 53,660.70-80,491.05-18,600.35

Finding the Fourth Proportional to 53,660.70, 80,491.05 and 18,600.35

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Solution

The fourth proportional to 53,660.70, 80,491.05 and 18,600.35 is: 27,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.70 : 80,491.05 = 18,600.35 : x
  2. Step 2: Convert to fraction form
    53,660.70/80,491.05 = 18,600.35/x
  3. Step 3: Cross multiply
    53,660.70x = 80,491.05 × 18,600.35
  4. Step 4: Simplify right side
    53,660.70x = 1,497,161,903.10
  5. Step 5: Solve for x
    x = 1,497,161,903.10/53,660.70
  6. Step 6: Final answer
    x = 27,900.53

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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.