Home / 39,541.56-54,566.64-21,636.24

Finding the Fourth Proportional to 39,541.56, 54,566.64 and 21,636.24

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Solution

The fourth proportional to 39,541.56, 54,566.64 and 21,636.24 is: 29,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.56 : 54,566.64 = 21,636.24 : x
  2. Step 2: Convert to fraction form
    39,541.56/54,566.64 = 21,636.24/x
  3. Step 3: Cross multiply
    39,541.56x = 54,566.64 × 21,636.24
  4. Step 4: Simplify right side
    39,541.56x = 1,180,616,919.03
  5. Step 5: Solve for x
    x = 1,180,616,919.03/39,541.56
  6. Step 6: Final answer
    x = 29,857.62

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1.5x scale

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.