Home / 47,118.62-65,038.85-30,168.52

Finding the Fourth Proportional to 47,118.62, 65,038.85 and 30,168.52

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Solution

The fourth proportional to 47,118.62, 65,038.85 and 30,168.52 is: 41,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.62 : 65,038.85 = 30,168.52 : x
  2. Step 2: Convert to fraction form
    47,118.62/65,038.85 = 30,168.52/x
  3. Step 3: Cross multiply
    47,118.62x = 65,038.85 × 30,168.52
  4. Step 4: Simplify right side
    47,118.62x = 1,962,125,759.83
  5. Step 5: Solve for x
    x = 1,962,125,759.83/47,118.62
  6. Step 6: Final answer
    x = 41,642.26

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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.