Home / 53,321.04-79,985.81-18,261

Finding the Fourth Proportional to 53,321.04, 79,985.81 and 18,261

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Solution

The fourth proportional to 53,321.04, 79,985.81 and 18,261 is: 27,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.04 : 79,985.81 = 18,261 : x
  2. Step 2: Convert to fraction form
    53,321.04/79,985.81 = 18,261/x
  3. Step 3: Cross multiply
    53,321.04x = 79,985.81 × 18,261
  4. Step 4: Simplify right side
    53,321.04x = 1,460,620,922.06
  5. Step 5: Solve for x
    x = 1,460,620,922.06/53,321.04
  6. Step 6: Final answer
    x = 27,392.96

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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.