Home / 38,863.53-58,313.76-20,140.08

Finding the Fourth Proportional to 38,863.53, 58,313.76 and 20,140.08

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Solution

The fourth proportional to 38,863.53, 58,313.76 and 20,140.08 is: 30,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.53 : 58,313.76 = 20,140.08 : x
  2. Step 2: Convert to fraction form
    38,863.53/58,313.76 = 20,140.08/x
  3. Step 3: Cross multiply
    38,863.53x = 58,313.76 × 20,140.08
  4. Step 4: Simplify right side
    38,863.53x = 1,174,443,791.50
  5. Step 5: Solve for x
    x = 1,174,443,791.50/38,863.53
  6. Step 6: Final answer
    x = 30,219.69

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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.