Home / 48,821.12-67,373.34-30,897.44

Finding the Fourth Proportional to 48,821.12, 67,373.34 and 30,897.44

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Solution

The fourth proportional to 48,821.12, 67,373.34 and 30,897.44 is: 42,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,821.12 : 67,373.34 = 30,897.44 : x
  2. Step 2: Convert to fraction form
    48,821.12/67,373.34 = 30,897.44/x
  3. Step 3: Cross multiply
    48,821.12x = 67,373.34 × 30,897.44
  4. Step 4: Simplify right side
    48,821.12x = 2,081,663,730.25
  5. Step 5: Solve for x
    x = 2,081,663,730.25/48,821.12
  6. Step 6: Final answer
    x = 42,638.59

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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.