Home / 31,157.01-46,696.64-15,579.09

Finding the Fourth Proportional to 31,157.01, 46,696.64 and 15,579.09

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Solution

The fourth proportional to 31,157.01, 46,696.64 and 15,579.09 is: 23,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.01 : 46,696.64 = 15,579.09 : x
  2. Step 2: Convert to fraction form
    31,157.01/46,696.64 = 15,579.09/x
  3. Step 3: Cross multiply
    31,157.01x = 46,696.64 × 15,579.09
  4. Step 4: Simplify right side
    31,157.01x = 727,491,079.36
  5. Step 5: Solve for x
    x = 727,491,079.36/31,157.01
  6. Step 6: Final answer
    x = 23,349.19

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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.