Home / 47,671.04-65,772.80-29,774.08

Finding the Fourth Proportional to 47,671.04, 65,772.80 and 29,774.08

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Solution

The fourth proportional to 47,671.04, 65,772.80 and 29,774.08 is: 41,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,671.04 : 65,772.80 = 29,774.08 : x
  2. Step 2: Convert to fraction form
    47,671.04/65,772.80 = 29,774.08/x
  3. Step 3: Cross multiply
    47,671.04x = 65,772.80 × 29,774.08
  4. Step 4: Simplify right side
    47,671.04x = 1,958,324,609.02
  5. Step 5: Solve for x
    x = 1,958,324,609.02/47,671.04
  6. Step 6: Final answer
    x = 41,079.96

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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.