Home / 55,217.04-76,196.88-30,066

Finding the Fourth Proportional to 55,217.04, 76,196.88 and 30,066

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Solution

The fourth proportional to 55,217.04, 76,196.88 and 30,066 is: 41,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217.04 : 76,196.88 = 30,066 : x
  2. Step 2: Convert to fraction form
    55,217.04/76,196.88 = 30,066/x
  3. Step 3: Cross multiply
    55,217.04x = 76,196.88 × 30,066
  4. Step 4: Simplify right side
    55,217.04x = 2,290,935,394.08
  5. Step 5: Solve for x
    x = 2,290,935,394.08/55,217.04
  6. Step 6: Final answer
    x = 41,489.65

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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.