Home / 30,969.28-46,219.89-27,979.93

Finding the Fourth Proportional to 30,969.28, 46,219.89 and 27,979.93

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Solution

The fourth proportional to 30,969.28, 46,219.89 and 27,979.93 is: 41,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,969.28 : 46,219.89 = 27,979.93 : x
  2. Step 2: Convert to fraction form
    30,969.28/46,219.89 = 27,979.93/x
  3. Step 3: Cross multiply
    30,969.28x = 46,219.89 × 27,979.93
  4. Step 4: Simplify right side
    30,969.28x = 1,293,228,915.81
  5. Step 5: Solve for x
    x = 1,293,228,915.81/30,969.28
  6. Step 6: Final answer
    x = 41,758.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.