Home / 56,898.88-78,501.36-33,016.96

Finding the Fourth Proportional to 56,898.88, 78,501.36 and 33,016.96

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Solution

The fourth proportional to 56,898.88, 78,501.36 and 33,016.96 is: 45,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.88 : 78,501.36 = 33,016.96 : x
  2. Step 2: Convert to fraction form
    56,898.88/78,501.36 = 33,016.96/x
  3. Step 3: Cross multiply
    56,898.88x = 78,501.36 × 33,016.96
  4. Step 4: Simplify right side
    56,898.88x = 2,591,876,263.07
  5. Step 5: Solve for x
    x = 2,591,876,263.07/56,898.88
  6. Step 6: Final answer
    x = 45,552.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.