Home / 29,446.12-40,585.62-20,510.20

Finding the Fourth Proportional to 29,446.12, 40,585.62 and 20,510.20

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Solution

The fourth proportional to 29,446.12, 40,585.62 and 20,510.20 is: 28,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,446.12 : 40,585.62 = 20,510.20 : x
  2. Step 2: Convert to fraction form
    29,446.12/40,585.62 = 20,510.20/x
  3. Step 3: Cross multiply
    29,446.12x = 40,585.62 × 20,510.20
  4. Step 4: Simplify right side
    29,446.12x = 832,419,183.32
  5. Step 5: Solve for x
    x = 832,419,183.32/29,446.12
  6. Step 6: Final answer
    x = 28,269.23

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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.