Home / 53,257.02-79,865.37-18,190.14

Finding the Fourth Proportional to 53,257.02, 79,865.37 and 18,190.14

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Solution

The fourth proportional to 53,257.02, 79,865.37 and 18,190.14 is: 27,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.02 : 79,865.37 = 18,190.14 : x
  2. Step 2: Convert to fraction form
    53,257.02/79,865.37 = 18,190.14/x
  3. Step 3: Cross multiply
    53,257.02x = 79,865.37 × 18,190.14
  4. Step 4: Simplify right side
    53,257.02x = 1,452,762,261.45
  5. Step 5: Solve for x
    x = 1,452,762,261.45/53,257.02
  6. Step 6: Final answer
    x = 27,278.32

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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.