Home / 54,501.60-81,752.40-17,064.78

Finding the Fourth Proportional to 54,501.60, 81,752.40 and 17,064.78

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Solution

The fourth proportional to 54,501.60, 81,752.40 and 17,064.78 is: 25,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.60 : 81,752.40 = 17,064.78 : x
  2. Step 2: Convert to fraction form
    54,501.60/81,752.40 = 17,064.78/x
  3. Step 3: Cross multiply
    54,501.60x = 81,752.40 × 17,064.78
  4. Step 4: Simplify right side
    54,501.60x = 1,395,086,720.47
  5. Step 5: Solve for x
    x = 1,395,086,720.47/54,501.60
  6. Step 6: Final answer
    x = 25,597.17

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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.