Home / 30,874.90-46,263.13-19,772.45

Finding the Fourth Proportional to 30,874.90, 46,263.13 and 19,772.45

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Solution

The fourth proportional to 30,874.90, 46,263.13 and 19,772.45 is: 29,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.90 : 46,263.13 = 19,772.45 : x
  2. Step 2: Convert to fraction form
    30,874.90/46,263.13 = 19,772.45/x
  3. Step 3: Cross multiply
    30,874.90x = 46,263.13 × 19,772.45
  4. Step 4: Simplify right side
    30,874.90x = 914,735,424.77
  5. Step 5: Solve for x
    x = 914,735,424.77/30,874.90
  6. Step 6: Final answer
    x = 29,627.15

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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.