Home / 53,055.63-79,583.49-13,612.77

Finding the Fourth Proportional to 53,055.63, 79,583.49 and 13,612.77

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Solution

The fourth proportional to 53,055.63, 79,583.49 and 13,612.77 is: 20,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,055.63 : 79,583.49 = 13,612.77 : x
  2. Step 2: Convert to fraction form
    53,055.63/79,583.49 = 13,612.77/x
  3. Step 3: Cross multiply
    53,055.63x = 79,583.49 × 13,612.77
  4. Step 4: Simplify right side
    53,055.63x = 1,083,351,745.17
  5. Step 5: Solve for x
    x = 1,083,351,745.17/53,055.63
  6. Step 6: Final answer
    x = 20,419.17

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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.