Home / 30,254.88-41,740.08-22,315.92

Finding the Fourth Proportional to 30,254.88, 41,740.08 and 22,315.92

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Solution

The fourth proportional to 30,254.88, 41,740.08 and 22,315.92 is: 30,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.88 : 41,740.08 = 22,315.92 : x
  2. Step 2: Convert to fraction form
    30,254.88/41,740.08 = 22,315.92/x
  3. Step 3: Cross multiply
    30,254.88x = 41,740.08 × 22,315.92
  4. Step 4: Simplify right side
    30,254.88x = 931,468,286.07
  5. Step 5: Solve for x
    x = 931,468,286.07/30,254.88
  6. Step 6: Final answer
    x = 30,787.37

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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.