Home / 30,025.26-41,436.18-18,701.46

Finding the Fourth Proportional to 30,025.26, 41,436.18 and 18,701.46

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Solution

The fourth proportional to 30,025.26, 41,436.18 and 18,701.46 is: 25,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.26 : 41,436.18 = 18,701.46 : x
  2. Step 2: Convert to fraction form
    30,025.26/41,436.18 = 18,701.46/x
  3. Step 3: Cross multiply
    30,025.26x = 41,436.18 × 18,701.46
  4. Step 4: Simplify right side
    30,025.26x = 774,917,062.82
  5. Step 5: Solve for x
    x = 774,917,062.82/30,025.26
  6. Step 6: Final answer
    x = 25,808.84

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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.