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Finding the Fourth Proportional to 62,069.58, 85,655.04 and 33,775.20

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Solution

The fourth proportional to 62,069.58, 85,655.04 and 33,775.20 is: 46,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,069.58 : 85,655.04 = 33,775.20 : x
  2. Step 2: Convert to fraction form
    62,069.58/85,655.04 = 33,775.20/x
  3. Step 3: Cross multiply
    62,069.58x = 85,655.04 × 33,775.20
  4. Step 4: Simplify right side
    62,069.58x = 2,893,016,107.01
  5. Step 5: Solve for x
    x = 2,893,016,107.01/62,069.58
  6. Step 6: Final answer
    x = 46,609.24

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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.