Home / 38,771.04-58,156.56-12,477.84

Finding the Fourth Proportional to 38,771.04, 58,156.56 and 12,477.84

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Solution

The fourth proportional to 38,771.04, 58,156.56 and 12,477.84 is: 18,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.04 : 58,156.56 = 12,477.84 : x
  2. Step 2: Convert to fraction form
    38,771.04/58,156.56 = 12,477.84/x
  3. Step 3: Cross multiply
    38,771.04x = 58,156.56 × 12,477.84
  4. Step 4: Simplify right side
    38,771.04x = 725,668,250.63
  5. Step 5: Solve for x
    x = 725,668,250.63/38,771.04
  6. Step 6: Final answer
    x = 18,716.76

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Similar ratio
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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.