Home / 54,900.96-82,395.18-21,629.40

Finding the Fourth Proportional to 54,900.96, 82,395.18 and 21,629.40

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Solution

The fourth proportional to 54,900.96, 82,395.18 and 21,629.40 is: 32,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,900.96 : 82,395.18 = 21,629.40 : x
  2. Step 2: Convert to fraction form
    54,900.96/82,395.18 = 21,629.40/x
  3. Step 3: Cross multiply
    54,900.96x = 82,395.18 × 21,629.40
  4. Step 4: Simplify right side
    54,900.96x = 1,782,158,306.29
  5. Step 5: Solve for x
    x = 1,782,158,306.29/54,900.96
  6. Step 6: Final answer
    x = 32,461.33

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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.