Home / 38,222.84-52,745.72-21,228.18

Finding the Fourth Proportional to 38,222.84, 52,745.72 and 21,228.18

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Solution

The fourth proportional to 38,222.84, 52,745.72 and 21,228.18 is: 29,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.84 : 52,745.72 = 21,228.18 : x
  2. Step 2: Convert to fraction form
    38,222.84/52,745.72 = 21,228.18/x
  3. Step 3: Cross multiply
    38,222.84x = 52,745.72 × 21,228.18
  4. Step 4: Simplify right side
    38,222.84x = 1,119,695,638.39
  5. Step 5: Solve for x
    x = 1,119,695,638.39/38,222.84
  6. Step 6: Final answer
    x = 29,293.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.