Home / 30,191.55-41,665.40-16,763.01

Finding the Fourth Proportional to 30,191.55, 41,665.40 and 16,763.01

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Solution

The fourth proportional to 30,191.55, 41,665.40 and 16,763.01 is: 23,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.55 : 41,665.40 = 16,763.01 : x
  2. Step 2: Convert to fraction form
    30,191.55/41,665.40 = 16,763.01/x
  3. Step 3: Cross multiply
    30,191.55x = 41,665.40 × 16,763.01
  4. Step 4: Simplify right side
    30,191.55x = 698,437,224.71
  5. Step 5: Solve for x
    x = 698,437,224.71/30,191.55
  6. Step 6: Final answer
    x = 23,133.54

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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.