Home / 34,986.97-48,280.27-19,877.63

Finding the Fourth Proportional to 34,986.97, 48,280.27 and 19,877.63

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Solution

The fourth proportional to 34,986.97, 48,280.27 and 19,877.63 is: 27,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.97 : 48,280.27 = 19,877.63 : x
  2. Step 2: Convert to fraction form
    34,986.97/48,280.27 = 19,877.63/x
  3. Step 3: Cross multiply
    34,986.97x = 48,280.27 × 19,877.63
  4. Step 4: Simplify right side
    34,986.97x = 959,697,243.97
  5. Step 5: Solve for x
    x = 959,697,243.97/34,986.97
  6. Step 6: Final answer
    x = 27,430.14

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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.