Home / 30,125.76-41,574.96-18,801.96

Finding the Fourth Proportional to 30,125.76, 41,574.96 and 18,801.96

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Solution

The fourth proportional to 30,125.76, 41,574.96 and 18,801.96 is: 25,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.76 : 41,574.96 = 18,801.96 : x
  2. Step 2: Convert to fraction form
    30,125.76/41,574.96 = 18,801.96/x
  3. Step 3: Cross multiply
    30,125.76x = 41,574.96 × 18,801.96
  4. Step 4: Simplify right side
    30,125.76x = 781,690,734.92
  5. Step 5: Solve for x
    x = 781,690,734.92/30,125.76
  6. Step 6: Final answer
    x = 25,947.59

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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.