Home / 39,971.36-59,958-13,675.92

Finding the Fourth Proportional to 39,971.36, 59,958 and 13,675.92

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Solution

The fourth proportional to 39,971.36, 59,958 and 13,675.92 is: 20,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.36 : 59,958 = 13,675.92 : x
  2. Step 2: Convert to fraction form
    39,971.36/59,958 = 13,675.92/x
  3. Step 3: Cross multiply
    39,971.36x = 59,958 × 13,675.92
  4. Step 4: Simplify right side
    39,971.36x = 819,980,811.36
  5. Step 5: Solve for x
    x = 819,980,811.36/39,971.36
  6. Step 6: Final answer
    x = 20,514.21

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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.