Home / 47,415.90-65,433.45-26,193.78

Finding the Fourth Proportional to 47,415.90, 65,433.45 and 26,193.78

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Solution

The fourth proportional to 47,415.90, 65,433.45 and 26,193.78 is: 36,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415.90 : 65,433.45 = 26,193.78 : x
  2. Step 2: Convert to fraction form
    47,415.90/65,433.45 = 26,193.78/x
  3. Step 3: Cross multiply
    47,415.90x = 65,433.45 × 26,193.78
  4. Step 4: Simplify right side
    47,415.90x = 1,713,949,393.94
  5. Step 5: Solve for x
    x = 1,713,949,393.94/47,415.90
  6. Step 6: Final answer
    x = 36,147.14

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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.