Home / 30,943.37-42,701.55-16,796.19

Finding the Fourth Proportional to 30,943.37, 42,701.55 and 16,796.19

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Solution

The fourth proportional to 30,943.37, 42,701.55 and 16,796.19 is: 23,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.37 : 42,701.55 = 16,796.19 : x
  2. Step 2: Convert to fraction form
    30,943.37/42,701.55 = 16,796.19/x
  3. Step 3: Cross multiply
    30,943.37x = 42,701.55 × 16,796.19
  4. Step 4: Simplify right side
    30,943.37x = 717,223,347.09
  5. Step 5: Solve for x
    x = 717,223,347.09/30,943.37
  6. Step 6: Final answer
    x = 23,178.58

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Double 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.