Home / 43,325.22-64,990.14-13,745.42

Finding the Fourth Proportional to 43,325.22, 64,990.14 and 13,745.42

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Solution

The fourth proportional to 43,325.22, 64,990.14 and 13,745.42 is: 20,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.22 : 64,990.14 = 13,745.42 : x
  2. Step 2: Convert to fraction form
    43,325.22/64,990.14 = 13,745.42/x
  3. Step 3: Cross multiply
    43,325.22x = 64,990.14 × 13,745.42
  4. Step 4: Simplify right side
    43,325.22x = 893,316,770.16
  5. Step 5: Solve for x
    x = 893,316,770.16/43,325.22
  6. Step 6: Final answer
    x = 20,618.86

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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.