Home / 55,528.04-76,629.30-30,377

Finding the Fourth Proportional to 55,528.04, 76,629.30 and 30,377

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Solution

The fourth proportional to 55,528.04, 76,629.30 and 30,377 is: 41,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.04 : 76,629.30 = 30,377 : x
  2. Step 2: Convert to fraction form
    55,528.04/76,629.30 = 30,377/x
  3. Step 3: Cross multiply
    55,528.04x = 76,629.30 × 30,377
  4. Step 4: Simplify right side
    55,528.04x = 2,327,768,246.10
  5. Step 5: Solve for x
    x = 2,327,768,246.10/55,528.04
  6. Step 6: Final answer
    x = 41,920.59

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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.