Home / 30,031.20-41,442.84-16,602.48

Finding the Fourth Proportional to 30,031.20, 41,442.84 and 16,602.48

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Solution

The fourth proportional to 30,031.20, 41,442.84 and 16,602.48 is: 22,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.20 : 41,442.84 = 16,602.48 : x
  2. Step 2: Convert to fraction form
    30,031.20/41,442.84 = 16,602.48/x
  3. Step 3: Cross multiply
    30,031.20x = 41,442.84 × 16,602.48
  4. Step 4: Simplify right side
    30,031.20x = 688,053,922.24
  5. Step 5: Solve for x
    x = 688,053,922.24/30,031.20
  6. Step 6: Final answer
    x = 22,911.30

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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.