Home / 30,109.95-41,550.84-16,681.77

Finding the Fourth Proportional to 30,109.95, 41,550.84 and 16,681.77

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Solution

The fourth proportional to 30,109.95, 41,550.84 and 16,681.77 is: 23,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.95 : 41,550.84 = 16,681.77 : x
  2. Step 2: Convert to fraction form
    30,109.95/41,550.84 = 16,681.77/x
  3. Step 3: Cross multiply
    30,109.95x = 41,550.84 × 16,681.77
  4. Step 4: Simplify right side
    30,109.95x = 693,141,556.19
  5. Step 5: Solve for x
    x = 693,141,556.19/30,109.95
  6. Step 6: Final answer
    x = 23,020.35

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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.