Home / 53,063.42-79,589.04-19,784.56

Finding the Fourth Proportional to 53,063.42, 79,589.04 and 19,784.56

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Solution

The fourth proportional to 53,063.42, 79,589.04 and 19,784.56 is: 29,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,063.42 : 79,589.04 = 19,784.56 : x
  2. Step 2: Convert to fraction form
    53,063.42/79,589.04 = 19,784.56/x
  3. Step 3: Cross multiply
    53,063.42x = 79,589.04 × 19,784.56
  4. Step 4: Simplify right side
    53,063.42x = 1,574,634,137.22
  5. Step 5: Solve for x
    x = 1,574,634,137.22/53,063.42
  6. Step 6: Final answer
    x = 29,674.57

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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.