Home / 53,111.02-79,647.94-15,661.14

Finding the Fourth Proportional to 53,111.02, 79,647.94 and 15,661.14

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Solution

The fourth proportional to 53,111.02, 79,647.94 and 15,661.14 is: 23,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,111.02 : 79,647.94 = 15,661.14 : x
  2. Step 2: Convert to fraction form
    53,111.02/79,647.94 = 15,661.14/x
  3. Step 3: Cross multiply
    53,111.02x = 79,647.94 × 15,661.14
  4. Step 4: Simplify right side
    53,111.02x = 1,247,377,539.05
  5. Step 5: Solve for x
    x = 1,247,377,539.05/53,111.02
  6. Step 6: Final answer
    x = 23,486.23

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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.