Home / 38,178.27-52,696.04-21,416.67

Finding the Fourth Proportional to 38,178.27, 52,696.04 and 21,416.67

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Solution

The fourth proportional to 38,178.27, 52,696.04 and 21,416.67 is: 29,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.27 : 52,696.04 = 21,416.67 : x
  2. Step 2: Convert to fraction form
    38,178.27/52,696.04 = 21,416.67/x
  3. Step 3: Cross multiply
    38,178.27x = 52,696.04 × 21,416.67
  4. Step 4: Simplify right side
    38,178.27x = 1,128,573,591.90
  5. Step 5: Solve for x
    x = 1,128,573,591.90/38,178.27
  6. Step 6: Final answer
    x = 29,560.63

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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.