Home / 53,085.42-79,572.60-19,791

Finding the Fourth Proportional to 53,085.42, 79,572.60 and 19,791

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Solution

The fourth proportional to 53,085.42, 79,572.60 and 19,791 is: 29,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,085.42 : 79,572.60 = 19,791 : x
  2. Step 2: Convert to fraction form
    53,085.42/79,572.60 = 19,791/x
  3. Step 3: Cross multiply
    53,085.42x = 79,572.60 × 19,791
  4. Step 4: Simplify right side
    53,085.42x = 1,574,821,326.60
  5. Step 5: Solve for x
    x = 1,574,821,326.60/53,085.42
  6. Step 6: Final answer
    x = 29,665.80

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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.