Home / 30,302.67-45,474.74-10,581.23

Finding the Fourth Proportional to 30,302.67, 45,474.74 and 10,581.23

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Solution

The fourth proportional to 30,302.67, 45,474.74 and 10,581.23 is: 15,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.67 : 45,474.74 = 10,581.23 : x
  2. Step 2: Convert to fraction form
    30,302.67/45,474.74 = 10,581.23/x
  3. Step 3: Cross multiply
    30,302.67x = 45,474.74 × 10,581.23
  4. Step 4: Simplify right side
    30,302.67x = 481,178,455.76
  5. Step 5: Solve for x
    x = 481,178,455.76/30,302.67
  6. Step 6: Final answer
    x = 15,879.08

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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.