Home / 30,109.16-41,552.99-16,681.65

Finding the Fourth Proportional to 30,109.16, 41,552.99 and 16,681.65

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Solution

The fourth proportional to 30,109.16, 41,552.99 and 16,681.65 is: 23,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.16 : 41,552.99 = 16,681.65 : x
  2. Step 2: Convert to fraction form
    30,109.16/41,552.99 = 16,681.65/x
  3. Step 3: Cross multiply
    30,109.16x = 41,552.99 × 16,681.65
  4. Step 4: Simplify right side
    30,109.16x = 693,172,352.23
  5. Step 5: Solve for x
    x = 693,172,352.23/30,109.16
  6. Step 6: Final answer
    x = 23,021.98

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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.