Home / 30,031.36-41,423.20-18,082.24

Finding the Fourth Proportional to 30,031.36, 41,423.20 and 18,082.24

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Solution

The fourth proportional to 30,031.36, 41,423.20 and 18,082.24 is: 24,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.36 : 41,423.20 = 18,082.24 : x
  2. Step 2: Convert to fraction form
    30,031.36/41,423.20 = 18,082.24/x
  3. Step 3: Cross multiply
    30,031.36x = 41,423.20 × 18,082.24
  4. Step 4: Simplify right side
    30,031.36x = 749,024,095.20
  5. Step 5: Solve for x
    x = 749,024,095.20/30,031.36
  6. Step 6: Final answer
    x = 24,941.40

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Similar ratio
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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.