Home / 30,240.10-41,731.56-16,628.38

Finding the Fourth Proportional to 30,240.10, 41,731.56 and 16,628.38

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Solution

The fourth proportional to 30,240.10, 41,731.56 and 16,628.38 is: 22,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.10 : 41,731.56 = 16,628.38 : x
  2. Step 2: Convert to fraction form
    30,240.10/41,731.56 = 16,628.38/x
  3. Step 3: Cross multiply
    30,240.10x = 41,731.56 × 16,628.38
  4. Step 4: Simplify right side
    30,240.10x = 693,928,237.67
  5. Step 5: Solve for x
    x = 693,928,237.67/30,240.10
  6. Step 6: Final answer
    x = 22,947.29

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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.