Home / 31,911.22-44,030.82-18,477.64

Finding the Fourth Proportional to 31,911.22, 44,030.82 and 18,477.64

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Solution

The fourth proportional to 31,911.22, 44,030.82 and 18,477.64 is: 25,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.22 : 44,030.82 = 18,477.64 : x
  2. Step 2: Convert to fraction form
    31,911.22/44,030.82 = 18,477.64/x
  3. Step 3: Cross multiply
    31,911.22x = 44,030.82 × 18,477.64
  4. Step 4: Simplify right side
    31,911.22x = 813,585,640.86
  5. Step 5: Solve for x
    x = 813,585,640.86/31,911.22
  6. Step 6: Final answer
    x = 25,495.28

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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.