Home / 38,674.12-53,368.48-21,907.24

Finding the Fourth Proportional to 38,674.12, 53,368.48 and 21,907.24

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Solution

The fourth proportional to 38,674.12, 53,368.48 and 21,907.24 is: 30,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674.12 : 53,368.48 = 21,907.24 : x
  2. Step 2: Convert to fraction form
    38,674.12/53,368.48 = 21,907.24/x
  3. Step 3: Cross multiply
    38,674.12x = 53,368.48 × 21,907.24
  4. Step 4: Simplify right side
    38,674.12x = 1,169,156,099.80
  5. Step 5: Solve for x
    x = 1,169,156,099.80/38,674.12
  6. Step 6: Final answer
    x = 30,230.97

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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.