Home / 53,086.08-79,609.99-18,017.54

Finding the Fourth Proportional to 53,086.08, 79,609.99 and 18,017.54

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Solution

The fourth proportional to 53,086.08, 79,609.99 and 18,017.54 is: 27,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.08 : 79,609.99 = 18,017.54 : x
  2. Step 2: Convert to fraction form
    53,086.08/79,609.99 = 18,017.54/x
  3. Step 3: Cross multiply
    53,086.08x = 79,609.99 × 18,017.54
  4. Step 4: Simplify right side
    53,086.08x = 1,434,376,068.45
  5. Step 5: Solve for x
    x = 1,434,376,068.45/53,086.08
  6. Step 6: Final answer
    x = 27,019.81

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1.5x scale

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.