Home / 38,121.84-57,157.22-14,720.94

Finding the Fourth Proportional to 38,121.84, 57,157.22 and 14,720.94

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Solution

The fourth proportional to 38,121.84, 57,157.22 and 14,720.94 is: 22,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121.84 : 57,157.22 = 14,720.94 : x
  2. Step 2: Convert to fraction form
    38,121.84/57,157.22 = 14,720.94/x
  3. Step 3: Cross multiply
    38,121.84x = 57,157.22 × 14,720.94
  4. Step 4: Simplify right side
    38,121.84x = 841,408,042.99
  5. Step 5: Solve for x
    x = 841,408,042.99/38,121.84
  6. Step 6: Final answer
    x = 22,071.55

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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.