Home / 47,136.64-65,047.98-25,915.72

Finding the Fourth Proportional to 47,136.64, 65,047.98 and 25,915.72

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Solution

The fourth proportional to 47,136.64, 65,047.98 and 25,915.72 is: 35,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.64 : 65,047.98 = 25,915.72 : x
  2. Step 2: Convert to fraction form
    47,136.64/65,047.98 = 25,915.72/x
  3. Step 3: Cross multiply
    47,136.64x = 65,047.98 × 25,915.72
  4. Step 4: Simplify right side
    47,136.64x = 1,685,765,236.25
  5. Step 5: Solve for x
    x = 1,685,765,236.25/47,136.64
  6. Step 6: Final answer
    x = 35,763.37

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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.