Home / 47,588.92-71,486.38-30,940.40

Finding the Fourth Proportional to 47,588.92, 71,486.38 and 30,940.40

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Solution

The fourth proportional to 47,588.92, 71,486.38 and 30,940.40 is: 46,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,588.92 : 71,486.38 = 30,940.40 : x
  2. Step 2: Convert to fraction form
    47,588.92/71,486.38 = 30,940.40/x
  3. Step 3: Cross multiply
    47,588.92x = 71,486.38 × 30,940.40
  4. Step 4: Simplify right side
    47,588.92x = 2,211,817,191.75
  5. Step 5: Solve for x
    x = 2,211,817,191.75/47,588.92
  6. Step 6: Final answer
    x = 46,477.57

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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.