Home / 55,010.32-75,907.94-30,807.92

Finding the Fourth Proportional to 55,010.32, 75,907.94 and 30,807.92

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Solution

The fourth proportional to 55,010.32, 75,907.94 and 30,807.92 is: 42,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,010.32 : 75,907.94 = 30,807.92 : x
  2. Step 2: Convert to fraction form
    55,010.32/75,907.94 = 30,807.92/x
  3. Step 3: Cross multiply
    55,010.32x = 75,907.94 × 30,807.92
  4. Step 4: Simplify right side
    55,010.32x = 2,338,565,742.88
  5. Step 5: Solve for x
    x = 2,338,565,742.88/55,010.32
  6. Step 6: Final answer
    x = 42,511.40

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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.