Home / 55,475.64-83,246.34-20,439.88

Finding the Fourth Proportional to 55,475.64, 83,246.34 and 20,439.88

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Solution

The fourth proportional to 55,475.64, 83,246.34 and 20,439.88 is: 30,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.64 : 83,246.34 = 20,439.88 : x
  2. Step 2: Convert to fraction form
    55,475.64/83,246.34 = 20,439.88/x
  3. Step 3: Cross multiply
    55,475.64x = 83,246.34 × 20,439.88
  4. Step 4: Simplify right side
    55,475.64x = 1,701,545,200.04
  5. Step 5: Solve for x
    x = 1,701,545,200.04/55,475.64
  6. Step 6: Final answer
    x = 30,671.93

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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.