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Finding the Fourth Proportional to 73,213.20, 109,810.02 and 20,626.77

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Solution

The fourth proportional to 73,213.20, 109,810.02 and 20,626.77 is: 30,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.20 : 109,810.02 = 20,626.77 : x
  2. Step 2: Convert to fraction form
    73,213.20/109,810.02 = 20,626.77/x
  3. Step 3: Cross multiply
    73,213.20x = 109,810.02 × 20,626.77
  4. Step 4: Simplify right side
    73,213.20x = 2,265,026,026.24
  5. Step 5: Solve for x
    x = 2,265,026,026.24/73,213.20
  6. Step 6: Final answer
    x = 30,937.40

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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.