Home / 19,960.51-29,940.58-4,967.65

Finding the Fourth Proportional to 19,960.51, 29,940.58 and 4,967.65

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Solution

The fourth proportional to 19,960.51, 29,940.58 and 4,967.65 is: 7,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.51 : 29,940.58 = 4,967.65 : x
  2. Step 2: Convert to fraction form
    19,960.51/29,940.58 = 4,967.65/x
  3. Step 3: Cross multiply
    19,960.51x = 29,940.58 × 4,967.65
  4. Step 4: Simplify right side
    19,960.51x = 148,734,322.24
  5. Step 5: Solve for x
    x = 148,734,322.24/19,960.51
  6. Step 6: Final answer
    x = 7,451.43

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1.5x scale

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.