Home / 30,329.72-45,463.80-11,604.95

Finding the Fourth Proportional to 30,329.72, 45,463.80 and 11,604.95

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Solution

The fourth proportional to 30,329.72, 45,463.80 and 11,604.95 is: 17,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.72 : 45,463.80 = 11,604.95 : x
  2. Step 2: Convert to fraction form
    30,329.72/45,463.80 = 11,604.95/x
  3. Step 3: Cross multiply
    30,329.72x = 45,463.80 × 11,604.95
  4. Step 4: Simplify right side
    30,329.72x = 527,605,125.81
  5. Step 5: Solve for x
    x = 527,605,125.81/30,329.72
  6. Step 6: Final answer
    x = 17,395.65

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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.