Home / 30,518.94-45,782.67-13,883.16

Finding the Fourth Proportional to 30,518.94, 45,782.67 and 13,883.16

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Solution

The fourth proportional to 30,518.94, 45,782.67 and 13,883.16 is: 20,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.94 : 45,782.67 = 13,883.16 : x
  2. Step 2: Convert to fraction form
    30,518.94/45,782.67 = 13,883.16/x
  3. Step 3: Cross multiply
    30,518.94x = 45,782.67 × 13,883.16
  4. Step 4: Simplify right side
    30,518.94x = 635,608,132.84
  5. Step 5: Solve for x
    x = 635,608,132.84/30,518.94
  6. Step 6: Final answer
    x = 20,826.68

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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.