Home / 53,004.49-79,506.33-13,561.54

Finding the Fourth Proportional to 53,004.49, 79,506.33 and 13,561.54

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Solution

The fourth proportional to 53,004.49, 79,506.33 and 13,561.54 is: 20,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.49 : 79,506.33 = 13,561.54 : x
  2. Step 2: Convert to fraction form
    53,004.49/79,506.33 = 13,561.54/x
  3. Step 3: Cross multiply
    53,004.49x = 79,506.33 × 13,561.54
  4. Step 4: Simplify right side
    53,004.49x = 1,078,228,274.55
  5. Step 5: Solve for x
    x = 1,078,228,274.55/53,004.49
  6. Step 6: Final answer
    x = 20,342.21

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1.5x scale

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.