Home / 31,029,935.14-42,821,308.42-17,984,760.81

Finding the Fourth Proportional to 31,029,935.14, 42,821,308.42 and 17,984,760.81

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Solution

The fourth proportional to 31,029,935.14, 42,821,308.42 and 17,984,760.81 is: 24,818,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029,935.14 : 42,821,308.42 = 17,984,760.81 : x
  2. Step 2: Convert to fraction form
    31,029,935.14/42,821,308.42 = 17,984,760.81/x
  3. Step 3: Cross multiply
    31,029,935.14x = 42,821,308.42 × 17,984,760.81
  4. Step 4: Simplify right side
    31,029,935.14x = 770,130,989,504,939
  5. Step 5: Solve for x
    x = 770,130,989,504,939/31,029,935.14
  6. Step 6: Final answer
    x = 24,818,968.72

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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.