Home / 45,378.32-68,021.91-17,291.16

Finding the Fourth Proportional to 45,378.32, 68,021.91 and 17,291.16

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Solution

The fourth proportional to 45,378.32, 68,021.91 and 17,291.16 is: 25,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.32 : 68,021.91 = 17,291.16 : x
  2. Step 2: Convert to fraction form
    45,378.32/68,021.91 = 17,291.16/x
  3. Step 3: Cross multiply
    45,378.32x = 68,021.91 × 17,291.16
  4. Step 4: Simplify right side
    45,378.32x = 1,176,177,729.32
  5. Step 5: Solve for x
    x = 1,176,177,729.32/45,378.32
  6. Step 6: Final answer
    x = 25,919.38

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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.