Home / 31,157.36-46,742.77-10,099.49

Finding the Fourth Proportional to 31,157.36, 46,742.77 and 10,099.49

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Solution

The fourth proportional to 31,157.36, 46,742.77 and 10,099.49 is: 15,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.36 : 46,742.77 = 10,099.49 : x
  2. Step 2: Convert to fraction form
    31,157.36/46,742.77 = 10,099.49/x
  3. Step 3: Cross multiply
    31,157.36x = 46,742.77 × 10,099.49
  4. Step 4: Simplify right side
    31,157.36x = 472,077,917.10
  5. Step 5: Solve for x
    x = 472,077,917.10/31,157.36
  6. Step 6: Final answer
    x = 15,151.41

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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.