Home / 30,109.14-41,550.39-16,681.32

Finding the Fourth Proportional to 30,109.14, 41,550.39 and 16,681.32

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Solution

The fourth proportional to 30,109.14, 41,550.39 and 16,681.32 is: 23,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.14 : 41,550.39 = 16,681.32 : x
  2. Step 2: Convert to fraction form
    30,109.14/41,550.39 = 16,681.32/x
  3. Step 3: Cross multiply
    30,109.14x = 41,550.39 × 16,681.32
  4. Step 4: Simplify right side
    30,109.14x = 693,115,351.71
  5. Step 5: Solve for x
    x = 693,115,351.71/30,109.14
  6. Step 6: Final answer
    x = 23,020.10

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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.