Home / 47,138.79-65,051.63-25,918.06

Finding the Fourth Proportional to 47,138.79, 65,051.63 and 25,918.06

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Solution

The fourth proportional to 47,138.79, 65,051.63 and 25,918.06 is: 35,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.79 : 65,051.63 = 25,918.06 : x
  2. Step 2: Convert to fraction form
    47,138.79/65,051.63 = 25,918.06/x
  3. Step 3: Cross multiply
    47,138.79x = 65,051.63 × 25,918.06
  4. Step 4: Simplify right side
    47,138.79x = 1,686,012,049.44
  5. Step 5: Solve for x
    x = 1,686,012,049.44/47,138.79
  6. Step 6: Final answer
    x = 35,766.98

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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.