Home / 35,915.92-53,840.56-15,914.80

Finding the Fourth Proportional to 35,915.92, 53,840.56 and 15,914.80

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Solution

The fourth proportional to 35,915.92, 53,840.56 and 15,914.80 is: 23,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.92 : 53,840.56 = 15,914.80 : x
  2. Step 2: Convert to fraction form
    35,915.92/53,840.56 = 15,914.80/x
  3. Step 3: Cross multiply
    35,915.92x = 53,840.56 × 15,914.80
  4. Step 4: Simplify right side
    35,915.92x = 856,861,744.29
  5. Step 5: Solve for x
    x = 856,861,744.29/35,915.92
  6. Step 6: Final answer
    x = 23,857.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.