Home / 30,394.03-45,588.30-21,547.27

Finding the Fourth Proportional to 30,394.03, 45,588.30 and 21,547.27

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Solution

The fourth proportional to 30,394.03, 45,588.30 and 21,547.27 is: 32,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.03 : 45,588.30 = 21,547.27 : x
  2. Step 2: Convert to fraction form
    30,394.03/45,588.30 = 21,547.27/x
  3. Step 3: Cross multiply
    30,394.03x = 45,588.30 × 21,547.27
  4. Step 4: Simplify right side
    30,394.03x = 982,303,546.73
  5. Step 5: Solve for x
    x = 982,303,546.73/30,394.03
  6. Step 6: Final answer
    x = 32,318.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.