Home / 45,215.52-67,835.16-18,569.76

Finding the Fourth Proportional to 45,215.52, 67,835.16 and 18,569.76

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Solution

The fourth proportional to 45,215.52, 67,835.16 and 18,569.76 is: 27,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,215.52 : 67,835.16 = 18,569.76 : x
  2. Step 2: Convert to fraction form
    45,215.52/67,835.16 = 18,569.76/x
  3. Step 3: Cross multiply
    45,215.52x = 67,835.16 × 18,569.76
  4. Step 4: Simplify right side
    45,215.52x = 1,259,682,640.76
  5. Step 5: Solve for x
    x = 1,259,682,640.76/45,215.52
  6. Step 6: Final answer
    x = 27,859.52

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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.