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Finding the Fourth Proportional to 35,107.80, 52,650.90 and 10,150.20

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Solution

The fourth proportional to 35,107.80, 52,650.90 and 10,150.20 is: 15,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,107.80 : 52,650.90 = 10,150.20 : x
  2. Step 2: Convert to fraction form
    35,107.80/52,650.90 = 10,150.20/x
  3. Step 3: Cross multiply
    35,107.80x = 52,650.90 × 10,150.20
  4. Step 4: Simplify right side
    35,107.80x = 534,417,165.18
  5. Step 5: Solve for x
    x = 534,417,165.18/35,107.80
  6. Step 6: Final answer
    x = 15,222.18

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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.