Home / 38,901.22-58,351.88-10,821.28

Finding the Fourth Proportional to 38,901.22, 58,351.88 and 10,821.28

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Solution

The fourth proportional to 38,901.22, 58,351.88 and 10,821.28 is: 16,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,901.22 : 58,351.88 = 10,821.28 : x
  2. Step 2: Convert to fraction form
    38,901.22/58,351.88 = 10,821.28/x
  3. Step 3: Cross multiply
    38,901.22x = 58,351.88 × 10,821.28
  4. Step 4: Simplify right side
    38,901.22x = 631,442,032.01
  5. Step 5: Solve for x
    x = 631,442,032.01/38,901.22
  6. Step 6: Final answer
    x = 16,231.93

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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.