Home / 38,901.20-58,355.43-30,145.94

Finding the Fourth Proportional to 38,901.20, 58,355.43 and 30,145.94

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Solution

The fourth proportional to 38,901.20, 58,355.43 and 30,145.94 is: 45,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,901.20 : 58,355.43 = 30,145.94 : x
  2. Step 2: Convert to fraction form
    38,901.20/58,355.43 = 30,145.94/x
  3. Step 3: Cross multiply
    38,901.20x = 58,355.43 × 30,145.94
  4. Step 4: Simplify right side
    38,901.20x = 1,759,179,291.45
  5. Step 5: Solve for x
    x = 1,759,179,291.45/38,901.20
  6. Step 6: Final answer
    x = 45,221.72

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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.