Home / 45,514.37-68,264.24-19,215.70

Finding the Fourth Proportional to 45,514.37, 68,264.24 and 19,215.70

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Solution

The fourth proportional to 45,514.37, 68,264.24 and 19,215.70 is: 28,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514.37 : 68,264.24 = 19,215.70 : x
  2. Step 2: Convert to fraction form
    45,514.37/68,264.24 = 19,215.70/x
  3. Step 3: Cross multiply
    45,514.37x = 68,264.24 × 19,215.70
  4. Step 4: Simplify right side
    45,514.37x = 1,311,745,156.57
  5. Step 5: Solve for x
    x = 1,311,745,156.57/45,514.37
  6. Step 6: Final answer
    x = 28,820.46

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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.