Home / 47,200.45-65,136.12-25,979.26

Finding the Fourth Proportional to 47,200.45, 65,136.12 and 25,979.26

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Solution

The fourth proportional to 47,200.45, 65,136.12 and 25,979.26 is: 35,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.45 : 65,136.12 = 25,979.26 : x
  2. Step 2: Convert to fraction form
    47,200.45/65,136.12 = 25,979.26/x
  3. Step 3: Cross multiply
    47,200.45x = 65,136.12 × 25,979.26
  4. Step 4: Simplify right side
    47,200.45x = 1,692,188,196.87
  5. Step 5: Solve for x
    x = 1,692,188,196.87/47,200.45
  6. Step 6: Final answer
    x = 35,851.10

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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.