Home / 57,556.56-79,440.28-38,682.74

Finding the Fourth Proportional to 57,556.56, 79,440.28 and 38,682.74

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Solution

The fourth proportional to 57,556.56, 79,440.28 and 38,682.74 is: 53,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,556.56 : 79,440.28 = 38,682.74 : x
  2. Step 2: Convert to fraction form
    57,556.56/79,440.28 = 38,682.74/x
  3. Step 3: Cross multiply
    57,556.56x = 79,440.28 × 38,682.74
  4. Step 4: Simplify right side
    57,556.56x = 3,072,967,696.77
  5. Step 5: Solve for x
    x = 3,072,967,696.77/57,556.56
  6. Step 6: Final answer
    x = 53,390.40

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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.