Home / 43,107.55-64,606.50-19,389.74

Finding the Fourth Proportional to 43,107.55, 64,606.50 and 19,389.74

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Solution

The fourth proportional to 43,107.55, 64,606.50 and 19,389.74 is: 29,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.55 : 64,606.50 = 19,389.74 : x
  2. Step 2: Convert to fraction form
    43,107.55/64,606.50 = 19,389.74/x
  3. Step 3: Cross multiply
    43,107.55x = 64,606.50 × 19,389.74
  4. Step 4: Simplify right side
    43,107.55x = 1,252,702,914.28
  5. Step 5: Solve for x
    x = 1,252,702,914.28/43,107.55
  6. Step 6: Final answer
    x = 29,059.94

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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.