Home / 35,590.20-53,315.10-18,072.60

Finding the Fourth Proportional to 35,590.20, 53,315.10 and 18,072.60

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Solution

The fourth proportional to 35,590.20, 53,315.10 and 18,072.60 is: 27,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,590.20 : 53,315.10 = 18,072.60 : x
  2. Step 2: Convert to fraction form
    35,590.20/53,315.10 = 18,072.60/x
  3. Step 3: Cross multiply
    35,590.20x = 53,315.10 × 18,072.60
  4. Step 4: Simplify right side
    35,590.20x = 963,542,476.26
  5. Step 5: Solve for x
    x = 963,542,476.26/35,590.20
  6. Step 6: Final answer
    x = 27,073.25

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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.