Home / 30,038.31-44,991.84-15,221.79

Finding the Fourth Proportional to 30,038.31, 44,991.84 and 15,221.79

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Solution

The fourth proportional to 30,038.31, 44,991.84 and 15,221.79 is: 22,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.31 : 44,991.84 = 15,221.79 : x
  2. Step 2: Convert to fraction form
    30,038.31/44,991.84 = 15,221.79/x
  3. Step 3: Cross multiply
    30,038.31x = 44,991.84 × 15,221.79
  4. Step 4: Simplify right side
    30,038.31x = 684,856,340.19
  5. Step 5: Solve for x
    x = 684,856,340.19/30,038.31
  6. Step 6: Final answer
    x = 22,799.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.