Home / 43,313.63-64,996.36-18,689.63

Finding the Fourth Proportional to 43,313.63, 64,996.36 and 18,689.63

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Solution

The fourth proportional to 43,313.63, 64,996.36 and 18,689.63 is: 28,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.63 : 64,996.36 = 18,689.63 : x
  2. Step 2: Convert to fraction form
    43,313.63/64,996.36 = 18,689.63/x
  3. Step 3: Cross multiply
    43,313.63x = 64,996.36 × 18,689.63
  4. Step 4: Simplify right side
    43,313.63x = 1,214,757,548.04
  5. Step 5: Solve for x
    x = 1,214,757,548.04/43,313.63
  6. Step 6: Final answer
    x = 28,045.62

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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.