Home / 53,090.64-79,619.76-18,022.50

Finding the Fourth Proportional to 53,090.64, 79,619.76 and 18,022.50

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Solution

The fourth proportional to 53,090.64, 79,619.76 and 18,022.50 is: 27,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.64 : 79,619.76 = 18,022.50 : x
  2. Step 2: Convert to fraction form
    53,090.64/79,619.76 = 18,022.50/x
  3. Step 3: Cross multiply
    53,090.64x = 79,619.76 × 18,022.50
  4. Step 4: Simplify right side
    53,090.64x = 1,434,947,124.60
  5. Step 5: Solve for x
    x = 1,434,947,124.60/53,090.64
  6. Step 6: Final answer
    x = 27,028.25

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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.