Home / 30,501.04-42,091.58-17,072.56

Finding the Fourth Proportional to 30,501.04, 42,091.58 and 17,072.56

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Solution

The fourth proportional to 30,501.04, 42,091.58 and 17,072.56 is: 23,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.04 : 42,091.58 = 17,072.56 : x
  2. Step 2: Convert to fraction form
    30,501.04/42,091.58 = 17,072.56/x
  3. Step 3: Cross multiply
    30,501.04x = 42,091.58 × 17,072.56
  4. Step 4: Simplify right side
    30,501.04x = 718,610,729.22
  5. Step 5: Solve for x
    x = 718,610,729.22/30,501.04
  6. Step 6: Final answer
    x = 23,560.21

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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.