Home / 31,403.44-47,112.72-11,682.64

Finding the Fourth Proportional to 31,403.44, 47,112.72 and 11,682.64

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Solution

The fourth proportional to 31,403.44, 47,112.72 and 11,682.64 is: 17,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.44 : 47,112.72 = 11,682.64 : x
  2. Step 2: Convert to fraction form
    31,403.44/47,112.72 = 11,682.64/x
  3. Step 3: Cross multiply
    31,403.44x = 47,112.72 × 11,682.64
  4. Step 4: Simplify right side
    31,403.44x = 550,400,947.18
  5. Step 5: Solve for x
    x = 550,400,947.18/31,403.44
  6. Step 6: Final answer
    x = 17,526.77

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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.