Home / 39,538.69-59,311.07-11,459.12

Finding the Fourth Proportional to 39,538.69, 59,311.07 and 11,459.12

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Solution

The fourth proportional to 39,538.69, 59,311.07 and 11,459.12 is: 17,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.69 : 59,311.07 = 11,459.12 : x
  2. Step 2: Convert to fraction form
    39,538.69/59,311.07 = 11,459.12/x
  3. Step 3: Cross multiply
    39,538.69x = 59,311.07 × 11,459.12
  4. Step 4: Simplify right side
    39,538.69x = 679,652,845.38
  5. Step 5: Solve for x
    x = 679,652,845.38/39,538.69
  6. Step 6: Final answer
    x = 17,189.57

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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.