Home / 30,164.48-45,246.68-20,667.44

Finding the Fourth Proportional to 30,164.48, 45,246.68 and 20,667.44

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Solution

The fourth proportional to 30,164.48, 45,246.68 and 20,667.44 is: 31,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.48 : 45,246.68 = 20,667.44 : x
  2. Step 2: Convert to fraction form
    30,164.48/45,246.68 = 20,667.44/x
  3. Step 3: Cross multiply
    30,164.48x = 45,246.68 × 20,667.44
  4. Step 4: Simplify right side
    30,164.48x = 935,133,044.10
  5. Step 5: Solve for x
    x = 935,133,044.10/30,164.48
  6. Step 6: Final answer
    x = 31,001.13

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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.