Home / 43,735.40-65,553.38-38,460.12

Finding the Fourth Proportional to 43,735.40, 65,553.38 and 38,460.12

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Solution

The fourth proportional to 43,735.40, 65,553.38 and 38,460.12 is: 57,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,735.40 : 65,553.38 = 38,460.12 : x
  2. Step 2: Convert to fraction form
    43,735.40/65,553.38 = 38,460.12/x
  3. Step 3: Cross multiply
    43,735.40x = 65,553.38 × 38,460.12
  4. Step 4: Simplify right side
    43,735.40x = 2,521,190,861.21
  5. Step 5: Solve for x
    x = 2,521,190,861.21/43,735.40
  6. Step 6: Final answer
    x = 57,646.46

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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.