Home / 31,029,958.76-42,821,340.93-17,984,784.42

Finding the Fourth Proportional to 31,029,958.76, 42,821,340.93 and 17,984,784.42

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Solution

The fourth proportional to 31,029,958.76, 42,821,340.93 and 17,984,784.42 is: 24,819,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029,958.76 : 42,821,340.93 = 17,984,784.42 : x
  2. Step 2: Convert to fraction form
    31,029,958.76/42,821,340.93 = 17,984,784.42/x
  3. Step 3: Cross multiply
    31,029,958.76x = 42,821,340.93 × 17,984,784.42
  4. Step 4: Simplify right side
    31,029,958.76x = 770,132,585,201,372.38
  5. Step 5: Solve for x
    x = 770,132,585,201,372.38/31,029,958.76
  6. Step 6: Final answer
    x = 24,819,001.25

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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.