Home / 31,495.85-43,464.33-17,155.64

Finding the Fourth Proportional to 31,495.85, 43,464.33 and 17,155.64

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Solution

The fourth proportional to 31,495.85, 43,464.33 and 17,155.64 is: 23,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.85 : 43,464.33 = 17,155.64 : x
  2. Step 2: Convert to fraction form
    31,495.85/43,464.33 = 17,155.64/x
  3. Step 3: Cross multiply
    31,495.85x = 43,464.33 × 17,155.64
  4. Step 4: Simplify right side
    31,495.85x = 745,658,181.00
  5. Step 5: Solve for x
    x = 745,658,181.00/31,495.85
  6. Step 6: Final answer
    x = 23,674.81

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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.