Home / 34,678.23-47,856.12-19,571.52

Finding the Fourth Proportional to 34,678.23, 47,856.12 and 19,571.52

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Solution

The fourth proportional to 34,678.23, 47,856.12 and 19,571.52 is: 27,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.23 : 47,856.12 = 19,571.52 : x
  2. Step 2: Convert to fraction form
    34,678.23/47,856.12 = 19,571.52/x
  3. Step 3: Cross multiply
    34,678.23x = 47,856.12 × 19,571.52
  4. Step 4: Simplify right side
    34,678.23x = 936,617,115.77
  5. Step 5: Solve for x
    x = 936,617,115.77/34,678.23
  6. Step 6: Final answer
    x = 27,008.80

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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.