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Finding the Fourth Proportional to 29,671.68, 44,505.90 and 7,485.06

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Solution

The fourth proportional to 29,671.68, 44,505.90 and 7,485.06 is: 11,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,671.68 : 44,505.90 = 7,485.06 : x
  2. Step 2: Convert to fraction form
    29,671.68/44,505.90 = 7,485.06/x
  3. Step 3: Cross multiply
    29,671.68x = 44,505.90 × 7,485.06
  4. Step 4: Simplify right side
    29,671.68x = 333,129,331.85
  5. Step 5: Solve for x
    x = 333,129,331.85/29,671.68
  6. Step 6: Final answer
    x = 11,227.18

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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.