Home / 30,161.52-41,595.63-18,832.05

Finding the Fourth Proportional to 30,161.52, 41,595.63 and 18,832.05

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Solution

The fourth proportional to 30,161.52, 41,595.63 and 18,832.05 is: 25,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.52 : 41,595.63 = 18,832.05 : x
  2. Step 2: Convert to fraction form
    30,161.52/41,595.63 = 18,832.05/x
  3. Step 3: Cross multiply
    30,161.52x = 41,595.63 × 18,832.05
  4. Step 4: Simplify right side
    30,161.52x = 783,330,983.94
  5. Step 5: Solve for x
    x = 783,330,983.94/30,161.52
  6. Step 6: Final answer
    x = 25,971.20

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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.