Home / 57,655.32-86,419.80-22,556.40

Finding the Fourth Proportional to 57,655.32, 86,419.80 and 22,556.40

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Solution

The fourth proportional to 57,655.32, 86,419.80 and 22,556.40 is: 33,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,655.32 : 86,419.80 = 22,556.40 : x
  2. Step 2: Convert to fraction form
    57,655.32/86,419.80 = 22,556.40/x
  3. Step 3: Cross multiply
    57,655.32x = 86,419.80 × 22,556.40
  4. Step 4: Simplify right side
    57,655.32x = 1,949,319,576.72
  5. Step 5: Solve for x
    x = 1,949,319,576.72/57,655.32
  6. Step 6: Final answer
    x = 33,809.88

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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.