Home / 30,752,143.39-42,438,843.61-17,001,993.25

Finding the Fourth Proportional to 30,752,143.39, 42,438,843.61 and 17,001,993.25

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Solution

The fourth proportional to 30,752,143.39, 42,438,843.61 and 17,001,993.25 is: 23,463,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,143.39 : 42,438,843.61 = 17,001,993.25 : x
  2. Step 2: Convert to fraction form
    30,752,143.39/42,438,843.61 = 17,001,993.25/x
  3. Step 3: Cross multiply
    30,752,143.39x = 42,438,843.61 × 17,001,993.25
  4. Step 4: Simplify right side
    30,752,143.39x = 721,544,932,605,569.12
  5. Step 5: Solve for x
    x = 721,544,932,605,569.12/30,752,143.39
  6. Step 6: Final answer
    x = 23,463,240.38

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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.