Home / 38,857.94-58,210.63-20,150.20

Finding the Fourth Proportional to 38,857.94, 58,210.63 and 20,150.20

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Solution

The fourth proportional to 38,857.94, 58,210.63 and 20,150.20 is: 30,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,857.94 : 58,210.63 = 20,150.20 : x
  2. Step 2: Convert to fraction form
    38,857.94/58,210.63 = 20,150.20/x
  3. Step 3: Cross multiply
    38,857.94x = 58,210.63 × 20,150.20
  4. Step 4: Simplify right side
    38,857.94x = 1,172,955,640.72
  5. Step 5: Solve for x
    x = 1,172,955,640.72/38,857.94
  6. Step 6: Final answer
    x = 30,185.74

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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.