Home / 30,941,795-42,701,005.70-17,190,759.12

Finding the Fourth Proportional to 30,941,795, 42,701,005.70 and 17,190,759.12

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Solution

The fourth proportional to 30,941,795, 42,701,005.70 and 17,190,759.12 is: 23,723,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,795 : 42,701,005.70 = 17,190,759.12 : x
  2. Step 2: Convert to fraction form
    30,941,795/42,701,005.70 = 17,190,759.12/x
  3. Step 3: Cross multiply
    30,941,795x = 42,701,005.70 × 17,190,759.12
  4. Step 4: Simplify right side
    30,941,795x = 734,062,703,170,447.12
  5. Step 5: Solve for x
    x = 734,062,703,170,447.12/30,941,795
  6. Step 6: Final answer
    x = 23,723,985.73

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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.