Home / 55,895.92-77,137.80-30,403.74

Finding the Fourth Proportional to 55,895.92, 77,137.80 and 30,403.74

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Solution

The fourth proportional to 55,895.92, 77,137.80 and 30,403.74 is: 41,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.92 : 77,137.80 = 30,403.74 : x
  2. Step 2: Convert to fraction form
    55,895.92/77,137.80 = 30,403.74/x
  3. Step 3: Cross multiply
    55,895.92x = 77,137.80 × 30,403.74
  4. Step 4: Simplify right side
    55,895.92x = 2,345,277,615.37
  5. Step 5: Solve for x
    x = 2,345,277,615.37/55,895.92
  6. Step 6: Final answer
    x = 41,957.94

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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.