Home / 39,016.14-53,841.89-21,110.75

Finding the Fourth Proportional to 39,016.14, 53,841.89 and 21,110.75

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Solution

The fourth proportional to 39,016.14, 53,841.89 and 21,110.75 is: 29,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.14 : 53,841.89 = 21,110.75 : x
  2. Step 2: Convert to fraction form
    39,016.14/53,841.89 = 21,110.75/x
  3. Step 3: Cross multiply
    39,016.14x = 53,841.89 × 21,110.75
  4. Step 4: Simplify right side
    39,016.14x = 1,136,642,679.32
  5. Step 5: Solve for x
    x = 1,136,642,679.32/39,016.14
  6. Step 6: Final answer
    x = 29,132.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.