Home / 29,959.92-41,337.32-18,315.20

Finding the Fourth Proportional to 29,959.92, 41,337.32 and 18,315.20

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Solution

The fourth proportional to 29,959.92, 41,337.32 and 18,315.20 is: 25,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,959.92 : 41,337.32 = 18,315.20 : x
  2. Step 2: Convert to fraction form
    29,959.92/41,337.32 = 18,315.20/x
  3. Step 3: Cross multiply
    29,959.92x = 41,337.32 × 18,315.20
  4. Step 4: Simplify right side
    29,959.92x = 757,100,985.00
  5. Step 5: Solve for x
    x = 757,100,985.00/29,959.92
  6. Step 6: Final answer
    x = 25,270.46

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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.