Home / 43,051.37-64,576.44-20,866.68

Finding the Fourth Proportional to 43,051.37, 64,576.44 and 20,866.68

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Solution

The fourth proportional to 43,051.37, 64,576.44 and 20,866.68 is: 31,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,051.37 : 64,576.44 = 20,866.68 : x
  2. Step 2: Convert to fraction form
    43,051.37/64,576.44 = 20,866.68/x
  3. Step 3: Cross multiply
    43,051.37x = 64,576.44 × 20,866.68
  4. Step 4: Simplify right side
    43,051.37x = 1,347,495,909.02
  5. Step 5: Solve for x
    x = 1,347,495,909.02/43,051.37
  6. Step 6: Final answer
    x = 31,299.73

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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.