Home / 53,034.56-79,586.47-19,781.22

Finding the Fourth Proportional to 53,034.56, 79,586.47 and 19,781.22

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Solution

The fourth proportional to 53,034.56, 79,586.47 and 19,781.22 is: 29,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,034.56 : 79,586.47 = 19,781.22 : x
  2. Step 2: Convert to fraction form
    53,034.56/79,586.47 = 19,781.22/x
  3. Step 3: Cross multiply
    53,034.56x = 79,586.47 × 19,781.22
  4. Step 4: Simplify right side
    53,034.56x = 1,574,317,671.64
  5. Step 5: Solve for x
    x = 1,574,317,671.64/53,034.56
  6. Step 6: Final answer
    x = 29,684.75

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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.