Home / 29,638.96-40,883.06-20,683.19

Finding the Fourth Proportional to 29,638.96, 40,883.06 and 20,683.19

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Solution

The fourth proportional to 29,638.96, 40,883.06 and 20,683.19 is: 28,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.96 : 40,883.06 = 20,683.19 : x
  2. Step 2: Convert to fraction form
    29,638.96/40,883.06 = 20,683.19/x
  3. Step 3: Cross multiply
    29,638.96x = 40,883.06 × 20,683.19
  4. Step 4: Simplify right side
    29,638.96x = 845,592,251.68
  5. Step 5: Solve for x
    x = 845,592,251.68/29,638.96
  6. Step 6: Final answer
    x = 28,529.76

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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.