Home / 30,791.97-42,492.93-16,644.81

Finding the Fourth Proportional to 30,791.97, 42,492.93 and 16,644.81

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Solution

The fourth proportional to 30,791.97, 42,492.93 and 16,644.81 is: 22,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,791.97 : 42,492.93 = 16,644.81 : x
  2. Step 2: Convert to fraction form
    30,791.97/42,492.93 = 16,644.81/x
  3. Step 3: Cross multiply
    30,791.97x = 42,492.93 × 16,644.81
  4. Step 4: Simplify right side
    30,791.97x = 707,286,746.19
  5. Step 5: Solve for x
    x = 707,286,746.19/30,791.97
  6. Step 6: Final answer
    x = 22,969.84

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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.