Home / 43,455.71-59,969.72-28,358.03

Finding the Fourth Proportional to 43,455.71, 59,969.72 and 28,358.03

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Solution

The fourth proportional to 43,455.71, 59,969.72 and 28,358.03 is: 39,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455.71 : 59,969.72 = 28,358.03 : x
  2. Step 2: Convert to fraction form
    43,455.71/59,969.72 = 28,358.03/x
  3. Step 3: Cross multiply
    43,455.71x = 59,969.72 × 28,358.03
  4. Step 4: Simplify right side
    43,455.71x = 1,700,622,889.90
  5. Step 5: Solve for x
    x = 1,700,622,889.90/43,455.71
  6. Step 6: Final answer
    x = 39,134.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.