Home / 53,097.60-79,632.36-18,030

Finding the Fourth Proportional to 53,097.60, 79,632.36 and 18,030

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Solution

The fourth proportional to 53,097.60, 79,632.36 and 18,030 is: 27,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,097.60 : 79,632.36 = 18,030 : x
  2. Step 2: Convert to fraction form
    53,097.60/79,632.36 = 18,030/x
  3. Step 3: Cross multiply
    53,097.60x = 79,632.36 × 18,030
  4. Step 4: Simplify right side
    53,097.60x = 1,435,771,450.80
  5. Step 5: Solve for x
    x = 1,435,771,450.80/53,097.60
  6. Step 6: Final answer
    x = 27,040.23

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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.