Home / 51,389.72-77,085.44-18,110.19

Finding the Fourth Proportional to 51,389.72, 77,085.44 and 18,110.19

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Solution

The fourth proportional to 51,389.72, 77,085.44 and 18,110.19 is: 27,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.72 : 77,085.44 = 18,110.19 : x
  2. Step 2: Convert to fraction form
    51,389.72/77,085.44 = 18,110.19/x
  3. Step 3: Cross multiply
    51,389.72x = 77,085.44 × 18,110.19
  4. Step 4: Simplify right side
    51,389.72x = 1,396,031,964.63
  5. Step 5: Solve for x
    x = 1,396,031,964.63/51,389.72
  6. Step 6: Final answer
    x = 27,165.59

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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.