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Finding the Fourth Proportional to 30,329.86, 45,499.04 and 10,603.93

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Solution

The fourth proportional to 30,329.86, 45,499.04 and 10,603.93 is: 15,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.86 : 45,499.04 = 10,603.93 : x
  2. Step 2: Convert to fraction form
    30,329.86/45,499.04 = 10,603.93/x
  3. Step 3: Cross multiply
    30,329.86x = 45,499.04 × 10,603.93
  4. Step 4: Simplify right side
    30,329.86x = 482,468,354.71
  5. Step 5: Solve for x
    x = 482,468,354.71/30,329.86
  6. Step 6: Final answer
    x = 15,907.37

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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.