Home / 45,351.89-68,027.97-13,762.20

Finding the Fourth Proportional to 45,351.89, 68,027.97 and 13,762.20

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Solution

The fourth proportional to 45,351.89, 68,027.97 and 13,762.20 is: 20,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.89 : 68,027.97 = 13,762.20 : x
  2. Step 2: Convert to fraction form
    45,351.89/68,027.97 = 13,762.20/x
  3. Step 3: Cross multiply
    45,351.89x = 68,027.97 × 13,762.20
  4. Step 4: Simplify right side
    45,351.89x = 936,214,664.40
  5. Step 5: Solve for x
    x = 936,214,664.40/45,351.89
  6. Step 6: Final answer
    x = 20,643.35

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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.