Home / 45,422.10-68,133.15-27,901.80

Finding the Fourth Proportional to 45,422.10, 68,133.15 and 27,901.80

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Solution

The fourth proportional to 45,422.10, 68,133.15 and 27,901.80 is: 41,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.10 : 68,133.15 = 27,901.80 : x
  2. Step 2: Convert to fraction form
    45,422.10/68,133.15 = 27,901.80/x
  3. Step 3: Cross multiply
    45,422.10x = 68,133.15 × 27,901.80
  4. Step 4: Simplify right side
    45,422.10x = 1,901,037,524.67
  5. Step 5: Solve for x
    x = 1,901,037,524.67/45,422.10
  6. Step 6: Final answer
    x = 41,852.70

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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.