Home / 30,088.01-41,508.38-18,144.71

Finding the Fourth Proportional to 30,088.01, 41,508.38 and 18,144.71

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Solution

The fourth proportional to 30,088.01, 41,508.38 and 18,144.71 is: 25,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.01 : 41,508.38 = 18,144.71 : x
  2. Step 2: Convert to fraction form
    30,088.01/41,508.38 = 18,144.71/x
  3. Step 3: Cross multiply
    30,088.01x = 41,508.38 × 18,144.71
  4. Step 4: Simplify right side
    30,088.01x = 753,157,219.40
  5. Step 5: Solve for x
    x = 753,157,219.40/30,088.01
  6. Step 6: Final answer
    x = 25,031.81

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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.