Home / 30,246.88-41,726.16-19,639.84

Finding the Fourth Proportional to 30,246.88, 41,726.16 and 19,639.84

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Solution

The fourth proportional to 30,246.88, 41,726.16 and 19,639.84 is: 27,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.88 : 41,726.16 = 19,639.84 : x
  2. Step 2: Convert to fraction form
    30,246.88/41,726.16 = 19,639.84/x
  3. Step 3: Cross multiply
    30,246.88x = 41,726.16 × 19,639.84
  4. Step 4: Simplify right side
    30,246.88x = 819,495,106.21
  5. Step 5: Solve for x
    x = 819,495,106.21/30,246.88
  6. Step 6: Final answer
    x = 27,093.54

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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.