Home / 30,426.70-41,988.84-16,997.96

Finding the Fourth Proportional to 30,426.70, 41,988.84 and 16,997.96

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Solution

The fourth proportional to 30,426.70, 41,988.84 and 16,997.96 is: 23,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.70 : 41,988.84 = 16,997.96 : x
  2. Step 2: Convert to fraction form
    30,426.70/41,988.84 = 16,997.96/x
  3. Step 3: Cross multiply
    30,426.70x = 41,988.84 × 16,997.96
  4. Step 4: Simplify right side
    30,426.70x = 713,724,412.82
  5. Step 5: Solve for x
    x = 713,724,412.82/30,426.70
  6. Step 6: Final answer
    x = 23,457.18

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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.