Home / 39,047.10-53,884.62-21,141.64

Finding the Fourth Proportional to 39,047.10, 53,884.62 and 21,141.64

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Solution

The fourth proportional to 39,047.10, 53,884.62 and 21,141.64 is: 29,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047.10 : 53,884.62 = 21,141.64 : x
  2. Step 2: Convert to fraction form
    39,047.10/53,884.62 = 21,141.64/x
  3. Step 3: Cross multiply
    39,047.10x = 53,884.62 × 21,141.64
  4. Step 4: Simplify right side
    39,047.10x = 1,139,209,237.58
  5. Step 5: Solve for x
    x = 1,139,209,237.58/39,047.10
  6. Step 6: Final answer
    x = 29,175.26

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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.