Home / 29,145.99-43,762.73-16,680.09

Finding the Fourth Proportional to 29,145.99, 43,762.73 and 16,680.09

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Solution

The fourth proportional to 29,145.99, 43,762.73 and 16,680.09 is: 25,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.99 : 43,762.73 = 16,680.09 : x
  2. Step 2: Convert to fraction form
    29,145.99/43,762.73 = 16,680.09/x
  3. Step 3: Cross multiply
    29,145.99x = 43,762.73 × 16,680.09
  4. Step 4: Simplify right side
    29,145.99x = 729,966,275.05
  5. Step 5: Solve for x
    x = 729,966,275.05/29,145.99
  6. Step 6: Final answer
    x = 25,045.17

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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.