Home / 35,815.95-49,426.23-19,683.09

Finding the Fourth Proportional to 35,815.95, 49,426.23 and 19,683.09

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Solution

The fourth proportional to 35,815.95, 49,426.23 and 19,683.09 is: 27,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.95 : 49,426.23 = 19,683.09 : x
  2. Step 2: Convert to fraction form
    35,815.95/49,426.23 = 19,683.09/x
  3. Step 3: Cross multiply
    35,815.95x = 49,426.23 × 19,683.09
  4. Step 4: Simplify right side
    35,815.95x = 972,860,933.45
  5. Step 5: Solve for x
    x = 972,860,933.45/35,815.95
  6. Step 6: Final answer
    x = 27,162.78

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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.