Home / 30,858.28-42,584.56-16,711.14

Finding the Fourth Proportional to 30,858.28, 42,584.56 and 16,711.14

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Solution

The fourth proportional to 30,858.28, 42,584.56 and 16,711.14 is: 23,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.28 : 42,584.56 = 16,711.14 : x
  2. Step 2: Convert to fraction form
    30,858.28/42,584.56 = 16,711.14/x
  3. Step 3: Cross multiply
    30,858.28x = 42,584.56 × 16,711.14
  4. Step 4: Simplify right side
    30,858.28x = 711,636,544.00
  5. Step 5: Solve for x
    x = 711,636,544.00/30,858.28
  6. Step 6: Final answer
    x = 23,061.45

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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.