Home / 43,256.72-64,893.84-18,296.72

Finding the Fourth Proportional to 43,256.72, 64,893.84 and 18,296.72

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Solution

The fourth proportional to 43,256.72, 64,893.84 and 18,296.72 is: 27,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,256.72 : 64,893.84 = 18,296.72 : x
  2. Step 2: Convert to fraction form
    43,256.72/64,893.84 = 18,296.72/x
  3. Step 3: Cross multiply
    43,256.72x = 64,893.84 × 18,296.72
  4. Step 4: Simplify right side
    43,256.72x = 1,187,344,420.20
  5. Step 5: Solve for x
    x = 1,187,344,420.20/43,256.72
  6. Step 6: Final answer
    x = 27,448.79

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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.