Home / 35,159.22-52,759.62-12,988.26

Finding the Fourth Proportional to 35,159.22, 52,759.62 and 12,988.26

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Solution

The fourth proportional to 35,159.22, 52,759.62 and 12,988.26 is: 19,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.22 : 52,759.62 = 12,988.26 : x
  2. Step 2: Convert to fraction form
    35,159.22/52,759.62 = 12,988.26/x
  3. Step 3: Cross multiply
    35,159.22x = 52,759.62 × 12,988.26
  4. Step 4: Simplify right side
    35,159.22x = 685,255,662.06
  5. Step 5: Solve for x
    x = 685,255,662.06/35,159.22
  6. Step 6: Final answer
    x = 19,490.07

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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.