Home / 30,740.48-46,044.48-20,825.36

Finding the Fourth Proportional to 30,740.48, 46,044.48 and 20,825.36

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Solution

The fourth proportional to 30,740.48, 46,044.48 and 20,825.36 is: 31,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.48 : 46,044.48 = 20,825.36 : x
  2. Step 2: Convert to fraction form
    30,740.48/46,044.48 = 20,825.36/x
  3. Step 3: Cross multiply
    30,740.48x = 46,044.48 × 20,825.36
  4. Step 4: Simplify right side
    30,740.48x = 958,892,872.01
  5. Step 5: Solve for x
    x = 958,892,872.01/30,740.48
  6. Step 6: Final answer
    x = 31,193.17

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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.