Home / 29,640.09-40,900.84-16,718.65

Finding the Fourth Proportional to 29,640.09, 40,900.84 and 16,718.65

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Solution

The fourth proportional to 29,640.09, 40,900.84 and 16,718.65 is: 23,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.09 : 40,900.84 = 16,718.65 : x
  2. Step 2: Convert to fraction form
    29,640.09/40,900.84 = 16,718.65/x
  3. Step 3: Cross multiply
    29,640.09x = 40,900.84 × 16,718.65
  4. Step 4: Simplify right side
    29,640.09x = 683,806,764.60
  5. Step 5: Solve for x
    x = 683,806,764.60/29,640.09
  6. Step 6: Final answer
    x = 23,070.34

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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.