Home / 35,980.85-53,971.40-11,020.79

Finding the Fourth Proportional to 35,980.85, 53,971.40 and 11,020.79

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Solution

The fourth proportional to 35,980.85, 53,971.40 and 11,020.79 is: 16,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.85 : 53,971.40 = 11,020.79 : x
  2. Step 2: Convert to fraction form
    35,980.85/53,971.40 = 11,020.79/x
  3. Step 3: Cross multiply
    35,980.85x = 53,971.40 × 11,020.79
  4. Step 4: Simplify right side
    35,980.85x = 594,807,223.10
  5. Step 5: Solve for x
    x = 594,807,223.10/35,980.85
  6. Step 6: Final answer
    x = 16,531.22

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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.