Home / 55,246.20-82,869.30-13,693.20

Finding the Fourth Proportional to 55,246.20, 82,869.30 and 13,693.20

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Solution

The fourth proportional to 55,246.20, 82,869.30 and 13,693.20 is: 20,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,246.20 : 82,869.30 = 13,693.20 : x
  2. Step 2: Convert to fraction form
    55,246.20/82,869.30 = 13,693.20/x
  3. Step 3: Cross multiply
    55,246.20x = 82,869.30 × 13,693.20
  4. Step 4: Simplify right side
    55,246.20x = 1,134,745,898.76
  5. Step 5: Solve for x
    x = 1,134,745,898.76/55,246.20
  6. Step 6: Final answer
    x = 20,539.80

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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.