Home / 38,900.70-58,354.68-30,145.44

Finding the Fourth Proportional to 38,900.70, 58,354.68 and 30,145.44

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Solution

The fourth proportional to 38,900.70, 58,354.68 and 30,145.44 is: 45,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,900.70 : 58,354.68 = 30,145.44 : x
  2. Step 2: Convert to fraction form
    38,900.70/58,354.68 = 30,145.44/x
  3. Step 3: Cross multiply
    38,900.70x = 58,354.68 × 30,145.44
  4. Step 4: Simplify right side
    38,900.70x = 1,759,127,504.66
  5. Step 5: Solve for x
    x = 1,759,127,504.66/38,900.70
  6. Step 6: Final answer
    x = 45,220.97

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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.