Home / 38,621.75-57,933.63-12,326.47

Finding the Fourth Proportional to 38,621.75, 57,933.63 and 12,326.47

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Solution

The fourth proportional to 38,621.75, 57,933.63 and 12,326.47 is: 18,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.75 : 57,933.63 = 12,326.47 : x
  2. Step 2: Convert to fraction form
    38,621.75/57,933.63 = 12,326.47/x
  3. Step 3: Cross multiply
    38,621.75x = 57,933.63 × 12,326.47
  4. Step 4: Simplify right side
    38,621.75x = 714,117,152.19
  5. Step 5: Solve for x
    x = 714,117,152.19/38,621.75
  6. Step 6: Final answer
    x = 18,490.03

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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.