Home / 30,338.07-45,477.70-11,603.68

Finding the Fourth Proportional to 30,338.07, 45,477.70 and 11,603.68

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Solution

The fourth proportional to 30,338.07, 45,477.70 and 11,603.68 is: 17,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.07 : 45,477.70 = 11,603.68 : x
  2. Step 2: Convert to fraction form
    30,338.07/45,477.70 = 11,603.68/x
  3. Step 3: Cross multiply
    30,338.07x = 45,477.70 × 11,603.68
  4. Step 4: Simplify right side
    30,338.07x = 527,708,677.94
  5. Step 5: Solve for x
    x = 527,708,677.94/30,338.07
  6. Step 6: Final answer
    x = 17,394.27

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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.