Home / 33,995.16-51,000.12-13,218.84

Finding the Fourth Proportional to 33,995.16, 51,000.12 and 13,218.84

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Solution

The fourth proportional to 33,995.16, 51,000.12 and 13,218.84 is: 19,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.16 : 51,000.12 = 13,218.84 : x
  2. Step 2: Convert to fraction form
    33,995.16/51,000.12 = 13,218.84/x
  3. Step 3: Cross multiply
    33,995.16x = 51,000.12 × 13,218.84
  4. Step 4: Simplify right side
    33,995.16x = 674,162,426.26
  5. Step 5: Solve for x
    x = 674,162,426.26/33,995.16
  6. Step 6: Final answer
    x = 19,831.13

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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.