Home / 65,028.58-97,542.40-20,658.82

Finding the Fourth Proportional to 65,028.58, 97,542.40 and 20,658.82

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Solution

The fourth proportional to 65,028.58, 97,542.40 and 20,658.82 is: 30,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.58 : 97,542.40 = 20,658.82 : x
  2. Step 2: Convert to fraction form
    65,028.58/97,542.40 = 20,658.82/x
  3. Step 3: Cross multiply
    65,028.58x = 97,542.40 × 20,658.82
  4. Step 4: Simplify right side
    65,028.58x = 2,015,110,883.97
  5. Step 5: Solve for x
    x = 2,015,110,883.97/65,028.58
  6. Step 6: Final answer
    x = 30,988.08

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1.5x scale

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.