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Finding the Fourth Proportional to 63,446.76, 87,556.53 and 37,954.20

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Solution

The fourth proportional to 63,446.76, 87,556.53 and 37,954.20 is: 52,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446.76 : 87,556.53 = 37,954.20 : x
  2. Step 2: Convert to fraction form
    63,446.76/87,556.53 = 37,954.20/x
  3. Step 3: Cross multiply
    63,446.76x = 87,556.53 × 37,954.20
  4. Step 4: Simplify right side
    63,446.76x = 3,323,137,423.37
  5. Step 5: Solve for x
    x = 3,323,137,423.37/63,446.76
  6. Step 6: Final answer
    x = 52,376.79

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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.