Home / 47,649.12-65,755.83-26,428.39

Finding the Fourth Proportional to 47,649.12, 65,755.83 and 26,428.39

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Solution

The fourth proportional to 47,649.12, 65,755.83 and 26,428.39 is: 36,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.12 : 65,755.83 = 26,428.39 : x
  2. Step 2: Convert to fraction form
    47,649.12/65,755.83 = 26,428.39/x
  3. Step 3: Cross multiply
    47,649.12x = 65,755.83 × 26,428.39
  4. Step 4: Simplify right side
    47,649.12x = 1,737,820,399.78
  5. Step 5: Solve for x
    x = 1,737,820,399.78/47,649.12
  6. Step 6: Final answer
    x = 36,471.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.