Home / 30,412.16-41,965.08-16,984.16

Finding the Fourth Proportional to 30,412.16, 41,965.08 and 16,984.16

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Solution

The fourth proportional to 30,412.16, 41,965.08 and 16,984.16 is: 23,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.16 : 41,965.08 = 16,984.16 : x
  2. Step 2: Convert to fraction form
    30,412.16/41,965.08 = 16,984.16/x
  3. Step 3: Cross multiply
    30,412.16x = 41,965.08 × 16,984.16
  4. Step 4: Simplify right side
    30,412.16x = 712,741,633.13
  5. Step 5: Solve for x
    x = 712,741,633.13/30,412.16
  6. Step 6: Final answer
    x = 23,436.07

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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.