Home / 43,274.00-64,913.36-13,689.63

Finding the Fourth Proportional to 43,274.00, 64,913.36 and 13,689.63

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Solution

The fourth proportional to 43,274.00, 64,913.36 and 13,689.63 is: 20,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,274.00 : 64,913.36 = 13,689.63 : x
  2. Step 2: Convert to fraction form
    43,274.00/64,913.36 = 13,689.63/x
  3. Step 3: Cross multiply
    43,274.00x = 64,913.36 × 13,689.63
  4. Step 4: Simplify right side
    43,274.00x = 888,639,812.01
  5. Step 5: Solve for x
    x = 888,639,812.01/43,274.00
  6. Step 6: Final answer
    x = 20,535.19

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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.