Home / 55,928.66-77,181.90-30,435.22

Finding the Fourth Proportional to 55,928.66, 77,181.90 and 30,435.22

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Solution

The fourth proportional to 55,928.66, 77,181.90 and 30,435.22 is: 42,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,928.66 : 77,181.90 = 30,435.22 : x
  2. Step 2: Convert to fraction form
    55,928.66/77,181.90 = 30,435.22/x
  3. Step 3: Cross multiply
    55,928.66x = 77,181.90 × 30,435.22
  4. Step 4: Simplify right side
    55,928.66x = 2,349,048,106.52
  5. Step 5: Solve for x
    x = 2,349,048,106.52/55,928.66
  6. Step 6: Final answer
    x = 42,000.79

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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.