Home / 30,189.65-41,661.81-16,760.93

Finding the Fourth Proportional to 30,189.65, 41,661.81 and 16,760.93

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Solution

The fourth proportional to 30,189.65, 41,661.81 and 16,760.93 is: 23,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.65 : 41,661.81 = 16,760.93 : x
  2. Step 2: Convert to fraction form
    30,189.65/41,661.81 = 16,760.93/x
  3. Step 3: Cross multiply
    30,189.65x = 41,661.81 × 16,760.93
  4. Step 4: Simplify right side
    30,189.65x = 698,290,472.77
  5. Step 5: Solve for x
    x = 698,290,472.77/30,189.65
  6. Step 6: Final answer
    x = 23,130.13

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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.