Home / 30,314.39-41,832.86-16,886.21

Finding the Fourth Proportional to 30,314.39, 41,832.86 and 16,886.21

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Solution

The fourth proportional to 30,314.39, 41,832.86 and 16,886.21 is: 23,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.39 : 41,832.86 = 16,886.21 : x
  2. Step 2: Convert to fraction form
    30,314.39/41,832.86 = 16,886.21/x
  3. Step 3: Cross multiply
    30,314.39x = 41,832.86 × 16,886.21
  4. Step 4: Simplify right side
    30,314.39x = 706,398,165.27
  5. Step 5: Solve for x
    x = 706,398,165.27/30,314.39
  6. Step 6: Final answer
    x = 23,302.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.