Home / 82,965.17-124,447.52-20,635.67

Finding the Fourth Proportional to 82,965.17, 124,447.52 and 20,635.67

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Solution

The fourth proportional to 82,965.17, 124,447.52 and 20,635.67 is: 30,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,965.17 : 124,447.52 = 20,635.67 : x
  2. Step 2: Convert to fraction form
    82,965.17/124,447.52 = 20,635.67/x
  3. Step 3: Cross multiply
    82,965.17x = 124,447.52 × 20,635.67
  4. Step 4: Simplify right side
    82,965.17x = 2,568,058,317.75
  5. Step 5: Solve for x
    x = 2,568,058,317.75/82,965.17
  6. Step 6: Final answer
    x = 30,953.45

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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.