Home / 31,022,042.76-42,799,337.82-17,962,173

Finding the Fourth Proportional to 31,022,042.76, 42,799,337.82 and 17,962,173

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Solution

The fourth proportional to 31,022,042.76, 42,799,337.82 and 17,962,173 is: 24,781,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022,042.76 : 42,799,337.82 = 17,962,173 : x
  2. Step 2: Convert to fraction form
    31,022,042.76/42,799,337.82 = 17,962,173/x
  3. Step 3: Cross multiply
    31,022,042.76x = 42,799,337.82 × 17,962,173
  4. Step 4: Simplify right side
    31,022,042.76x = 768,769,110,208,282.88
  5. Step 5: Solve for x
    x = 768,769,110,208,282.88/31,022,042.76
  6. Step 6: Final answer
    x = 24,781,382.59

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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.