Home / 31,947.86-44,092.30-18,341.28

Finding the Fourth Proportional to 31,947.86, 44,092.30 and 18,341.28

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Solution

The fourth proportional to 31,947.86, 44,092.30 and 18,341.28 is: 25,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.86 : 44,092.30 = 18,341.28 : x
  2. Step 2: Convert to fraction form
    31,947.86/44,092.30 = 18,341.28/x
  3. Step 3: Cross multiply
    31,947.86x = 44,092.30 × 18,341.28
  4. Step 4: Simplify right side
    31,947.86x = 808,709,220.14
  5. Step 5: Solve for x
    x = 808,709,220.14/31,947.86
  6. Step 6: Final answer
    x = 25,313.41

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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.