Home / 53,308.06-80,010.45-28,369.10

Finding the Fourth Proportional to 53,308.06, 80,010.45 and 28,369.10

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Solution

The fourth proportional to 53,308.06, 80,010.45 and 28,369.10 is: 42,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.06 : 80,010.45 = 28,369.10 : x
  2. Step 2: Convert to fraction form
    53,308.06/80,010.45 = 28,369.10/x
  3. Step 3: Cross multiply
    53,308.06x = 80,010.45 × 28,369.10
  4. Step 4: Simplify right side
    53,308.06x = 2,269,824,657.12
  5. Step 5: Solve for x
    x = 2,269,824,657.12/53,308.06
  6. Step 6: Final answer
    x = 42,579.39

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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.