Home / 47,615.36-71,399.96-14,329.22

Finding the Fourth Proportional to 47,615.36, 71,399.96 and 14,329.22

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Solution

The fourth proportional to 47,615.36, 71,399.96 and 14,329.22 is: 21,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.36 : 71,399.96 = 14,329.22 : x
  2. Step 2: Convert to fraction form
    47,615.36/71,399.96 = 14,329.22/x
  3. Step 3: Cross multiply
    47,615.36x = 71,399.96 × 14,329.22
  4. Step 4: Simplify right side
    47,615.36x = 1,023,105,895.42
  5. Step 5: Solve for x
    x = 1,023,105,895.42/47,615.36
  6. Step 6: Final answer
    x = 21,486.89

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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.