Home / 51,918.64-71,643.40-29,250.40

Finding the Fourth Proportional to 51,918.64, 71,643.40 and 29,250.40

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Solution

The fourth proportional to 51,918.64, 71,643.40 and 29,250.40 is: 40,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.64 : 71,643.40 = 29,250.40 : x
  2. Step 2: Convert to fraction form
    51,918.64/71,643.40 = 29,250.40/x
  3. Step 3: Cross multiply
    51,918.64x = 71,643.40 × 29,250.40
  4. Step 4: Simplify right side
    51,918.64x = 2,095,598,107.36
  5. Step 5: Solve for x
    x = 2,095,598,107.36/51,918.64
  6. Step 6: Final answer
    x = 40,363.12

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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.