Home / 30,149.19-41,606.00-16,721.69

Finding the Fourth Proportional to 30,149.19, 41,606.00 and 16,721.69

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Solution

The fourth proportional to 30,149.19, 41,606.00 and 16,721.69 is: 23,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.19 : 41,606.00 = 16,721.69 : x
  2. Step 2: Convert to fraction form
    30,149.19/41,606.00 = 16,721.69/x
  3. Step 3: Cross multiply
    30,149.19x = 41,606.00 × 16,721.69
  4. Step 4: Simplify right side
    30,149.19x = 695,722,342.50
  5. Step 5: Solve for x
    x = 695,722,342.50/30,149.19
  6. Step 6: Final answer
    x = 23,075.99

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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.