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Finding the Fourth Proportional to 29,840.34, 44,663.13 and 21,940.77

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Solution

The fourth proportional to 29,840.34, 44,663.13 and 21,940.77 is: 32,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,840.34 : 44,663.13 = 21,940.77 : x
  2. Step 2: Convert to fraction form
    29,840.34/44,663.13 = 21,940.77/x
  3. Step 3: Cross multiply
    29,840.34x = 44,663.13 × 21,940.77
  4. Step 4: Simplify right side
    29,840.34x = 979,943,462.81
  5. Step 5: Solve for x
    x = 979,943,462.81/29,840.34
  6. Step 6: Final answer
    x = 32,839.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.