Home / 30,425.77-41,983.40-16,995.36

Finding the Fourth Proportional to 30,425.77, 41,983.40 and 16,995.36

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Solution

The fourth proportional to 30,425.77, 41,983.40 and 16,995.36 is: 23,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.77 : 41,983.40 = 16,995.36 : x
  2. Step 2: Convert to fraction form
    30,425.77/41,983.40 = 16,995.36/x
  3. Step 3: Cross multiply
    30,425.77x = 41,983.40 × 16,995.36
  4. Step 4: Simplify right side
    30,425.77x = 713,523,039.51
  5. Step 5: Solve for x
    x = 713,523,039.51/30,425.77
  6. Step 6: Final answer
    x = 23,451.27

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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.