Home / 20,618.51-30,927.49-5,036.27

Finding the Fourth Proportional to 20,618.51, 30,927.49 and 5,036.27

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Solution

The fourth proportional to 20,618.51, 30,927.49 and 5,036.27 is: 7,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618.51 : 30,927.49 = 5,036.27 : x
  2. Step 2: Convert to fraction form
    20,618.51/30,927.49 = 5,036.27/x
  3. Step 3: Cross multiply
    20,618.51x = 30,927.49 × 5,036.27
  4. Step 4: Simplify right side
    20,618.51x = 155,759,022.83
  5. Step 5: Solve for x
    x = 155,759,022.83/20,618.51
  6. Step 6: Final answer
    x = 7,554.33

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1.5x scale

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.