Home / 35,957.90-53,928.21-18,418.70

Finding the Fourth Proportional to 35,957.90, 53,928.21 and 18,418.70

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Solution

The fourth proportional to 35,957.90, 53,928.21 and 18,418.70 is: 27,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.90 : 53,928.21 = 18,418.70 : x
  2. Step 2: Convert to fraction form
    35,957.90/53,928.21 = 18,418.70/x
  3. Step 3: Cross multiply
    35,957.90x = 53,928.21 × 18,418.70
  4. Step 4: Simplify right side
    35,957.90x = 993,287,521.53
  5. Step 5: Solve for x
    x = 993,287,521.53/35,957.90
  6. Step 6: Final answer
    x = 27,623.62

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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.