Home / 38,674.06-53,368.56-21,907.06

Finding the Fourth Proportional to 38,674.06, 53,368.56 and 21,907.06

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Solution

The fourth proportional to 38,674.06, 53,368.56 and 21,907.06 is: 30,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674.06 : 53,368.56 = 21,907.06 : x
  2. Step 2: Convert to fraction form
    38,674.06/53,368.56 = 21,907.06/x
  3. Step 3: Cross multiply
    38,674.06x = 53,368.56 × 21,907.06
  4. Step 4: Simplify right side
    38,674.06x = 1,169,148,246.03
  5. Step 5: Solve for x
    x = 1,169,148,246.03/38,674.06
  6. Step 6: Final answer
    x = 30,230.81

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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.