Home / 47,651.39-65,731.43-29,715.26

Finding the Fourth Proportional to 47,651.39, 65,731.43 and 29,715.26

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Solution

The fourth proportional to 47,651.39, 65,731.43 and 29,715.26 is: 40,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,651.39 : 65,731.43 = 29,715.26 : x
  2. Step 2: Convert to fraction form
    47,651.39/65,731.43 = 29,715.26/x
  3. Step 3: Cross multiply
    47,651.39x = 65,731.43 × 29,715.26
  4. Step 4: Simplify right side
    47,651.39x = 1,953,226,055.39
  5. Step 5: Solve for x
    x = 1,953,226,055.39/47,651.39
  6. Step 6: Final answer
    x = 40,989.91

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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.