Home / 29,147.90-43,648.00-18,020.84

Finding the Fourth Proportional to 29,147.90, 43,648.00 and 18,020.84

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Solution

The fourth proportional to 29,147.90, 43,648.00 and 18,020.84 is: 26,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.90 : 43,648.00 = 18,020.84 : x
  2. Step 2: Convert to fraction form
    29,147.90/43,648.00 = 18,020.84/x
  3. Step 3: Cross multiply
    29,147.90x = 43,648.00 × 18,020.84
  4. Step 4: Simplify right side
    29,147.90x = 786,573,361.03
  5. Step 5: Solve for x
    x = 786,573,361.03/29,147.90
  6. Step 6: Final answer
    x = 26,985.60

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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.