Home / 55,985.92-77,260.57-30,835.42

Finding the Fourth Proportional to 55,985.92, 77,260.57 and 30,835.42

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Solution

The fourth proportional to 55,985.92, 77,260.57 and 30,835.42 is: 42,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.92 : 77,260.57 = 30,835.42 : x
  2. Step 2: Convert to fraction form
    55,985.92/77,260.57 = 30,835.42/x
  3. Step 3: Cross multiply
    55,985.92x = 77,260.57 × 30,835.42
  4. Step 4: Simplify right side
    55,985.92x = 2,382,362,125.39
  5. Step 5: Solve for x
    x = 2,382,362,125.39/55,985.92
  6. Step 6: Final answer
    x = 42,552.88

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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.