Home / 30,752,153.92-42,438,858.15-17,002,003.78

Finding the Fourth Proportional to 30,752,153.92, 42,438,858.15 and 17,002,003.78

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Solution

The fourth proportional to 30,752,153.92, 42,438,858.15 and 17,002,003.78 is: 23,463,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,153.92 : 42,438,858.15 = 17,002,003.78 : x
  2. Step 2: Convert to fraction form
    30,752,153.92/42,438,858.15 = 17,002,003.78/x
  3. Step 3: Cross multiply
    30,752,153.92x = 42,438,858.15 × 17,002,003.78
  4. Step 4: Simplify right side
    30,752,153.92x = 721,545,626,685,183.88
  5. Step 5: Solve for x
    x = 721,545,626,685,183.88/30,752,153.92
  6. Step 6: Final answer
    x = 23,463,254.92

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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.