Home / 47,890.07-71,760.60-18,291.75

Finding the Fourth Proportional to 47,890.07, 71,760.60 and 18,291.75

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Solution

The fourth proportional to 47,890.07, 71,760.60 and 18,291.75 is: 27,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,890.07 : 71,760.60 = 18,291.75 : x
  2. Step 2: Convert to fraction form
    47,890.07/71,760.60 = 18,291.75/x
  3. Step 3: Cross multiply
    47,890.07x = 71,760.60 × 18,291.75
  4. Step 4: Simplify right side
    47,890.07x = 1,312,626,955.05
  5. Step 5: Solve for x
    x = 1,312,626,955.05/47,890.07
  6. Step 6: Final answer
    x = 27,409.17

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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.