Home / 30,122.22-45,147.48-22,702.20

Finding the Fourth Proportional to 30,122.22, 45,147.48 and 22,702.20

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Solution

The fourth proportional to 30,122.22, 45,147.48 and 22,702.20 is: 34,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.22 : 45,147.48 = 22,702.20 : x
  2. Step 2: Convert to fraction form
    30,122.22/45,147.48 = 22,702.20/x
  3. Step 3: Cross multiply
    30,122.22x = 45,147.48 × 22,702.20
  4. Step 4: Simplify right side
    30,122.22x = 1,024,947,120.46
  5. Step 5: Solve for x
    x = 1,024,947,120.46/30,122.22
  6. Step 6: Final answer
    x = 34,026.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.