Home / 31,190.28-46,770.09-17,861.19

Finding the Fourth Proportional to 31,190.28, 46,770.09 and 17,861.19

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Solution

The fourth proportional to 31,190.28, 46,770.09 and 17,861.19 is: 26,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.28 : 46,770.09 = 17,861.19 : x
  2. Step 2: Convert to fraction form
    31,190.28/46,770.09 = 17,861.19/x
  3. Step 3: Cross multiply
    31,190.28x = 46,770.09 × 17,861.19
  4. Step 4: Simplify right side
    31,190.28x = 835,369,463.81
  5. Step 5: Solve for x
    x = 835,369,463.81/31,190.28
  6. Step 6: Final answer
    x = 26,783.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.