Home / 35,579.34-53,374.50-11,879.55

Finding the Fourth Proportional to 35,579.34, 53,374.50 and 11,879.55

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Solution

The fourth proportional to 35,579.34, 53,374.50 and 11,879.55 is: 17,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.34 : 53,374.50 = 11,879.55 : x
  2. Step 2: Convert to fraction form
    35,579.34/53,374.50 = 11,879.55/x
  3. Step 3: Cross multiply
    35,579.34x = 53,374.50 × 11,879.55
  4. Step 4: Simplify right side
    35,579.34x = 634,065,041.48
  5. Step 5: Solve for x
    x = 634,065,041.48/35,579.34
  6. Step 6: Final answer
    x = 17,821.16

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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.