Home / 34,618.93-47,772.99-21,878.94

Finding the Fourth Proportional to 34,618.93, 47,772.99 and 21,878.94

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Solution

The fourth proportional to 34,618.93, 47,772.99 and 21,878.94 is: 30,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.93 : 47,772.99 = 21,878.94 : x
  2. Step 2: Convert to fraction form
    34,618.93/47,772.99 = 21,878.94/x
  3. Step 3: Cross multiply
    34,618.93x = 47,772.99 × 21,878.94
  4. Step 4: Simplify right side
    34,618.93x = 1,045,222,560.98
  5. Step 5: Solve for x
    x = 1,045,222,560.98/34,618.93
  6. Step 6: Final answer
    x = 30,192.23

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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.