Home / 30,315.97-41,834.96-16,886.50

Finding the Fourth Proportional to 30,315.97, 41,834.96 and 16,886.50

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Solution

The fourth proportional to 30,315.97, 41,834.96 and 16,886.50 is: 23,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.97 : 41,834.96 = 16,886.50 : x
  2. Step 2: Convert to fraction form
    30,315.97/41,834.96 = 16,886.50/x
  3. Step 3: Cross multiply
    30,315.97x = 41,834.96 × 16,886.50
  4. Step 4: Simplify right side
    30,315.97x = 706,445,996.51
  5. Step 5: Solve for x
    x = 706,445,996.51/30,315.97
  6. Step 6: Final answer
    x = 23,302.77

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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.