Home / 82,954.12-124,431.06-20,624.62

Finding the Fourth Proportional to 82,954.12, 124,431.06 and 20,624.62

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Solution

The fourth proportional to 82,954.12, 124,431.06 and 20,624.62 is: 30,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,954.12 : 124,431.06 = 20,624.62 : x
  2. Step 2: Convert to fraction form
    82,954.12/124,431.06 = 20,624.62/x
  3. Step 3: Cross multiply
    82,954.12x = 124,431.06 × 20,624.62
  4. Step 4: Simplify right side
    82,954.12x = 2,566,343,328.70
  5. Step 5: Solve for x
    x = 2,566,343,328.70/82,954.12
  6. Step 6: Final answer
    x = 30,936.90

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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.