Home / 30,102.04-41,541.11-18,163.07

Finding the Fourth Proportional to 30,102.04, 41,541.11 and 18,163.07

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Solution

The fourth proportional to 30,102.04, 41,541.11 and 18,163.07 is: 25,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.04 : 41,541.11 = 18,163.07 : x
  2. Step 2: Convert to fraction form
    30,102.04/41,541.11 = 18,163.07/x
  3. Step 3: Cross multiply
    30,102.04x = 41,541.11 × 18,163.07
  4. Step 4: Simplify right side
    30,102.04x = 754,514,238.07
  5. Step 5: Solve for x
    x = 754,514,238.07/30,102.04
  6. Step 6: Final answer
    x = 25,065.22

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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.