Home / 32,953.20-49,429.80-13,245.90

Finding the Fourth Proportional to 32,953.20, 49,429.80 and 13,245.90

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Solution

The fourth proportional to 32,953.20, 49,429.80 and 13,245.90 is: 19,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,953.20 : 49,429.80 = 13,245.90 : x
  2. Step 2: Convert to fraction form
    32,953.20/49,429.80 = 13,245.90/x
  3. Step 3: Cross multiply
    32,953.20x = 49,429.80 × 13,245.90
  4. Step 4: Simplify right side
    32,953.20x = 654,742,187.82
  5. Step 5: Solve for x
    x = 654,742,187.82/32,953.20
  6. Step 6: Final answer
    x = 19,868.85

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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.