Home / 35,987.85-53,982.32-13,802.49

Finding the Fourth Proportional to 35,987.85, 53,982.32 and 13,802.49

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Solution

The fourth proportional to 35,987.85, 53,982.32 and 13,802.49 is: 20,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.85 : 53,982.32 = 13,802.49 : x
  2. Step 2: Convert to fraction form
    35,987.85/53,982.32 = 13,802.49/x
  3. Step 3: Cross multiply
    35,987.85x = 53,982.32 × 13,802.49
  4. Step 4: Simplify right side
    35,987.85x = 745,090,362.96
  5. Step 5: Solve for x
    x = 745,090,362.96/35,987.85
  6. Step 6: Final answer
    x = 20,703.94

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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.