Home / 30,031.20-41,442.44-16,603.02

Finding the Fourth Proportional to 30,031.20, 41,442.44 and 16,603.02

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Solution

The fourth proportional to 30,031.20, 41,442.44 and 16,603.02 is: 22,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.20 : 41,442.44 = 16,603.02 : x
  2. Step 2: Convert to fraction form
    30,031.20/41,442.44 = 16,603.02/x
  3. Step 3: Cross multiply
    30,031.20x = 41,442.44 × 16,603.02
  4. Step 4: Simplify right side
    30,031.20x = 688,069,577.15
  5. Step 5: Solve for x
    x = 688,069,577.15/30,031.20
  6. Step 6: Final answer
    x = 22,911.82

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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.