Home / 53,322.04-79,987.31-18,262

Finding the Fourth Proportional to 53,322.04, 79,987.31 and 18,262

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Solution

The fourth proportional to 53,322.04, 79,987.31 and 18,262 is: 27,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.04 : 79,987.31 = 18,262 : x
  2. Step 2: Convert to fraction form
    53,322.04/79,987.31 = 18,262/x
  3. Step 3: Cross multiply
    53,322.04x = 79,987.31 × 18,262
  4. Step 4: Simplify right side
    53,322.04x = 1,460,728,255.22
  5. Step 5: Solve for x
    x = 1,460,728,255.22/53,322.04
  6. Step 6: Final answer
    x = 27,394.46

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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.