Home / 31,749.36-43,816.32-17,603.52

Finding the Fourth Proportional to 31,749.36, 43,816.32 and 17,603.52

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Solution

The fourth proportional to 31,749.36, 43,816.32 and 17,603.52 is: 24,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.36 : 43,816.32 = 17,603.52 : x
  2. Step 2: Convert to fraction form
    31,749.36/43,816.32 = 17,603.52/x
  3. Step 3: Cross multiply
    31,749.36x = 43,816.32 × 17,603.52
  4. Step 4: Simplify right side
    31,749.36x = 771,321,465.45
  5. Step 5: Solve for x
    x = 771,321,465.45/31,749.36
  6. Step 6: Final answer
    x = 24,294.08

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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.