Home / 30,828.53-46,156.91-19,707.77

Finding the Fourth Proportional to 30,828.53, 46,156.91 and 19,707.77

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Solution

The fourth proportional to 30,828.53, 46,156.91 and 19,707.77 is: 29,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828.53 : 46,156.91 = 19,707.77 : x
  2. Step 2: Convert to fraction form
    30,828.53/46,156.91 = 19,707.77/x
  3. Step 3: Cross multiply
    30,828.53x = 46,156.91 × 19,707.77
  4. Step 4: Simplify right side
    30,828.53x = 909,649,436.87
  5. Step 5: Solve for x
    x = 909,649,436.87/30,828.53
  6. Step 6: Final answer
    x = 29,506.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.