Home / 47,943.97-66,163.55-26,720.96

Finding the Fourth Proportional to 47,943.97, 66,163.55 and 26,720.96

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Solution

The fourth proportional to 47,943.97, 66,163.55 and 26,720.96 is: 36,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.97 : 66,163.55 = 26,720.96 : x
  2. Step 2: Convert to fraction form
    47,943.97/66,163.55 = 26,720.96/x
  3. Step 3: Cross multiply
    47,943.97x = 66,163.55 × 26,720.96
  4. Step 4: Simplify right side
    47,943.97x = 1,767,953,108.59
  5. Step 5: Solve for x
    x = 1,767,953,108.59/47,943.97
  6. Step 6: Final answer
    x = 36,875.40

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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.