Home / 30,428.04-41,983.02-17,850.36

Finding the Fourth Proportional to 30,428.04, 41,983.02 and 17,850.36

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Solution

The fourth proportional to 30,428.04, 41,983.02 and 17,850.36 is: 24,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428.04 : 41,983.02 = 17,850.36 : x
  2. Step 2: Convert to fraction form
    30,428.04/41,983.02 = 17,850.36/x
  3. Step 3: Cross multiply
    30,428.04x = 41,983.02 × 17,850.36
  4. Step 4: Simplify right side
    30,428.04x = 749,412,020.89
  5. Step 5: Solve for x
    x = 749,412,020.89/30,428.04
  6. Step 6: Final answer
    x = 24,628.99

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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.