Home / 30,106.67-41,547.51-16,678.11

Finding the Fourth Proportional to 30,106.67, 41,547.51 and 16,678.11

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Solution

The fourth proportional to 30,106.67, 41,547.51 and 16,678.11 is: 23,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.67 : 41,547.51 = 16,678.11 : x
  2. Step 2: Convert to fraction form
    30,106.67/41,547.51 = 16,678.11/x
  3. Step 3: Cross multiply
    30,106.67x = 41,547.51 × 16,678.11
  4. Step 4: Simplify right side
    30,106.67x = 692,933,858.62
  5. Step 5: Solve for x
    x = 692,933,858.62/30,106.67
  6. Step 6: Final answer
    x = 23,015.96

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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.