Home / 50,821.84-70,141.12-29,607.76

Finding the Fourth Proportional to 50,821.84, 70,141.12 and 29,607.76

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Solution

The fourth proportional to 50,821.84, 70,141.12 and 29,607.76 is: 40,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.84 : 70,141.12 = 29,607.76 : x
  2. Step 2: Convert to fraction form
    50,821.84/70,141.12 = 29,607.76/x
  3. Step 3: Cross multiply
    50,821.84x = 70,141.12 × 29,607.76
  4. Step 4: Simplify right side
    50,821.84x = 2,076,721,447.09
  5. Step 5: Solve for x
    x = 2,076,721,447.09/50,821.84
  6. Step 6: Final answer
    x = 40,862.78

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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.