Home / 53,112.12-79,668.24-13,669.32

Finding the Fourth Proportional to 53,112.12, 79,668.24 and 13,669.32

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Solution

The fourth proportional to 53,112.12, 79,668.24 and 13,669.32 is: 20,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.12 : 79,668.24 = 13,669.32 : x
  2. Step 2: Convert to fraction form
    53,112.12/79,668.24 = 13,669.32/x
  3. Step 3: Cross multiply
    53,112.12x = 79,668.24 × 13,669.32
  4. Step 4: Simplify right side
    53,112.12x = 1,089,010,666.40
  5. Step 5: Solve for x
    x = 1,089,010,666.40/53,112.12
  6. Step 6: Final answer
    x = 20,504.00

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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.