Home / 47,919.80-66,129.77-26,410.31

Finding the Fourth Proportional to 47,919.80, 66,129.77 and 26,410.31

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Solution

The fourth proportional to 47,919.80, 66,129.77 and 26,410.31 is: 36,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.80 : 66,129.77 = 26,410.31 : x
  2. Step 2: Convert to fraction form
    47,919.80/66,129.77 = 26,410.31/x
  3. Step 3: Cross multiply
    47,919.80x = 66,129.77 × 26,410.31
  4. Step 4: Simplify right side
    47,919.80x = 1,746,507,709.49
  5. Step 5: Solve for x
    x = 1,746,507,709.49/47,919.80
  6. Step 6: Final answer
    x = 36,446.47

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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.