Home / 55,236.10-82,903.47-38,609.43

Finding the Fourth Proportional to 55,236.10, 82,903.47 and 38,609.43

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Solution

The fourth proportional to 55,236.10, 82,903.47 and 38,609.43 is: 57,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.10 : 82,903.47 = 38,609.43 : x
  2. Step 2: Convert to fraction form
    55,236.10/82,903.47 = 38,609.43/x
  3. Step 3: Cross multiply
    55,236.10x = 82,903.47 × 38,609.43
  4. Step 4: Simplify right side
    55,236.10x = 3,200,856,291.31
  5. Step 5: Solve for x
    x = 3,200,856,291.31/55,236.10
  6. Step 6: Final answer
    x = 57,948.63

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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.