Home / 34,678.28-47,852.42-19,571.78

Finding the Fourth Proportional to 34,678.28, 47,852.42 and 19,571.78

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Solution

The fourth proportional to 34,678.28, 47,852.42 and 19,571.78 is: 27,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.28 : 47,852.42 = 19,571.78 : x
  2. Step 2: Convert to fraction form
    34,678.28/47,852.42 = 19,571.78/x
  3. Step 3: Cross multiply
    34,678.28x = 47,852.42 × 19,571.78
  4. Step 4: Simplify right side
    34,678.28x = 936,557,036.71
  5. Step 5: Solve for x
    x = 936,557,036.71/34,678.28
  6. Step 6: Final answer
    x = 27,007.02

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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.