Home / 34,089.91-47,047.72-19,954.60

Finding the Fourth Proportional to 34,089.91, 47,047.72 and 19,954.60

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Solution

The fourth proportional to 34,089.91, 47,047.72 and 19,954.60 is: 27,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,089.91 : 47,047.72 = 19,954.60 : x
  2. Step 2: Convert to fraction form
    34,089.91/47,047.72 = 19,954.60/x
  3. Step 3: Cross multiply
    34,089.91x = 47,047.72 × 19,954.60
  4. Step 4: Simplify right side
    34,089.91x = 938,818,433.51
  5. Step 5: Solve for x
    x = 938,818,433.51/34,089.91
  6. Step 6: Final answer
    x = 27,539.48

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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.