Home / 39,188.14-58,774.35-19,189.02

Finding the Fourth Proportional to 39,188.14, 58,774.35 and 19,189.02

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Solution

The fourth proportional to 39,188.14, 58,774.35 and 19,189.02 is: 28,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.14 : 58,774.35 = 19,189.02 : x
  2. Step 2: Convert to fraction form
    39,188.14/58,774.35 = 19,189.02/x
  3. Step 3: Cross multiply
    39,188.14x = 58,774.35 × 19,189.02
  4. Step 4: Simplify right side
    39,188.14x = 1,127,821,883.77
  5. Step 5: Solve for x
    x = 1,127,821,883.77/39,188.14
  6. Step 6: Final answer
    x = 28,779.67

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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.