Home / 31,102,138.48-42,920,969.43-17,351,102.56

Finding the Fourth Proportional to 31,102,138.48, 42,920,969.43 and 17,351,102.56

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Solution

The fourth proportional to 31,102,138.48, 42,920,969.43 and 17,351,102.56 is: 23,944,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,138.48 : 42,920,969.43 = 17,351,102.56 : x
  2. Step 2: Convert to fraction form
    31,102,138.48/42,920,969.43 = 17,351,102.56/x
  3. Step 3: Cross multiply
    31,102,138.48x = 42,920,969.43 × 17,351,102.56
  4. Step 4: Simplify right side
    31,102,138.48x = 744,726,142,554,554.62
  5. Step 5: Solve for x
    x = 744,726,142,554,554.62/31,102,138.48
  6. Step 6: Final answer
    x = 23,944,531.76

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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.