Home / 54,031.68-74,576.16-31,682.88

Finding the Fourth Proportional to 54,031.68, 74,576.16 and 31,682.88

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Solution

The fourth proportional to 54,031.68, 74,576.16 and 31,682.88 is: 43,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.68 : 74,576.16 = 31,682.88 : x
  2. Step 2: Convert to fraction form
    54,031.68/74,576.16 = 31,682.88/x
  3. Step 3: Cross multiply
    54,031.68x = 74,576.16 × 31,682.88
  4. Step 4: Simplify right side
    54,031.68x = 2,362,787,528.14
  5. Step 5: Solve for x
    x = 2,362,787,528.14/54,031.68
  6. Step 6: Final answer
    x = 43,729.67

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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.