Home / 39,631.74-54,698.73-30,103.17

Finding the Fourth Proportional to 39,631.74, 54,698.73 and 30,103.17

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Solution

The fourth proportional to 39,631.74, 54,698.73 and 30,103.17 is: 41,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.74 : 54,698.73 = 30,103.17 : x
  2. Step 2: Convert to fraction form
    39,631.74/54,698.73 = 30,103.17/x
  3. Step 3: Cross multiply
    39,631.74x = 54,698.73 × 30,103.17
  4. Step 4: Simplify right side
    39,631.74x = 1,646,605,167.97
  5. Step 5: Solve for x
    x = 1,646,605,167.97/39,631.74
  6. Step 6: Final answer
    x = 41,547.64

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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.