Home / 30,191.63-41,665.74-16,762.88

Finding the Fourth Proportional to 30,191.63, 41,665.74 and 16,762.88

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Solution

The fourth proportional to 30,191.63, 41,665.74 and 16,762.88 is: 23,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.63 : 41,665.74 = 16,762.88 : x
  2. Step 2: Convert to fraction form
    30,191.63/41,665.74 = 16,762.88/x
  3. Step 3: Cross multiply
    30,191.63x = 41,665.74 × 16,762.88
  4. Step 4: Simplify right side
    30,191.63x = 698,437,888.63
  5. Step 5: Solve for x
    x = 698,437,888.63/30,191.63
  6. Step 6: Final answer
    x = 23,133.50

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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.