Home / 30,315.19-41,833.58-16,886.32

Finding the Fourth Proportional to 30,315.19, 41,833.58 and 16,886.32

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Solution

The fourth proportional to 30,315.19, 41,833.58 and 16,886.32 is: 23,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.19 : 41,833.58 = 16,886.32 : x
  2. Step 2: Convert to fraction form
    30,315.19/41,833.58 = 16,886.32/x
  3. Step 3: Cross multiply
    30,315.19x = 41,833.58 × 16,886.32
  4. Step 4: Simplify right side
    30,315.19x = 706,415,218.63
  5. Step 5: Solve for x
    x = 706,415,218.63/30,315.19
  6. Step 6: Final answer
    x = 23,302.35

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Half scale
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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.