Home / 53,208.34-79,824.19-15,771.30

Finding the Fourth Proportional to 53,208.34, 79,824.19 and 15,771.30

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Solution

The fourth proportional to 53,208.34, 79,824.19 and 15,771.30 is: 23,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208.34 : 79,824.19 = 15,771.30 : x
  2. Step 2: Convert to fraction form
    53,208.34/79,824.19 = 15,771.30/x
  3. Step 3: Cross multiply
    53,208.34x = 79,824.19 × 15,771.30
  4. Step 4: Simplify right side
    53,208.34x = 1,258,931,247.75
  5. Step 5: Solve for x
    x = 1,258,931,247.75/53,208.34
  6. Step 6: Final answer
    x = 23,660.41

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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.