Home / 53,213.81-79,820.34-15,774.04

Finding the Fourth Proportional to 53,213.81, 79,820.34 and 15,774.04

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Solution

The fourth proportional to 53,213.81, 79,820.34 and 15,774.04 is: 23,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.81 : 79,820.34 = 15,774.04 : x
  2. Step 2: Convert to fraction form
    53,213.81/79,820.34 = 15,774.04/x
  3. Step 3: Cross multiply
    53,213.81x = 79,820.34 × 15,774.04
  4. Step 4: Simplify right side
    53,213.81x = 1,259,089,276.60
  5. Step 5: Solve for x
    x = 1,259,089,276.60/53,213.81
  6. Step 6: Final answer
    x = 23,660.95

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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.