Home / 44,219.30-66,318.68-12,628.53

Finding the Fourth Proportional to 44,219.30, 66,318.68 and 12,628.53

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Solution

The fourth proportional to 44,219.30, 66,318.68 and 12,628.53 is: 18,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,219.30 : 66,318.68 = 12,628.53 : x
  2. Step 2: Convert to fraction form
    44,219.30/66,318.68 = 12,628.53/x
  3. Step 3: Cross multiply
    44,219.30x = 66,318.68 × 12,628.53
  4. Step 4: Simplify right side
    44,219.30x = 837,507,471.51
  5. Step 5: Solve for x
    x = 837,507,471.51/44,219.30
  6. Step 6: Final answer
    x = 18,939.86

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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.