Home / 30,088.01-41,508.39-18,144.69

Finding the Fourth Proportional to 30,088.01, 41,508.39 and 18,144.69

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Solution

The fourth proportional to 30,088.01, 41,508.39 and 18,144.69 is: 25,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.01 : 41,508.39 = 18,144.69 : x
  2. Step 2: Convert to fraction form
    30,088.01/41,508.39 = 18,144.69/x
  3. Step 3: Cross multiply
    30,088.01x = 41,508.39 × 18,144.69
  4. Step 4: Simplify right side
    30,088.01x = 753,156,868.95
  5. Step 5: Solve for x
    x = 753,156,868.95/30,088.01
  6. Step 6: Final answer
    x = 25,031.80

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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.