Home / 30,801.30-46,223.55-19,734.90

Finding the Fourth Proportional to 30,801.30, 46,223.55 and 19,734.90

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Solution

The fourth proportional to 30,801.30, 46,223.55 and 19,734.90 is: 29,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.30 : 46,223.55 = 19,734.90 : x
  2. Step 2: Convert to fraction form
    30,801.30/46,223.55 = 19,734.90/x
  3. Step 3: Cross multiply
    30,801.30x = 46,223.55 × 19,734.90
  4. Step 4: Simplify right side
    30,801.30x = 912,217,136.90
  5. Step 5: Solve for x
    x = 912,217,136.90/30,801.30
  6. Step 6: Final answer
    x = 29,616.19

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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.