Home / 73,089.09-109,624.52-20,502.67

Finding the Fourth Proportional to 73,089.09, 109,624.52 and 20,502.67

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Solution

The fourth proportional to 73,089.09, 109,624.52 and 20,502.67 is: 30,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,089.09 : 109,624.52 = 20,502.67 : x
  2. Step 2: Convert to fraction form
    73,089.09/109,624.52 = 20,502.67/x
  3. Step 3: Cross multiply
    73,089.09x = 109,624.52 × 20,502.67
  4. Step 4: Simplify right side
    73,089.09x = 2,247,595,254.96
  5. Step 5: Solve for x
    x = 2,247,595,254.96/73,089.09
  6. Step 6: Final answer
    x = 30,751.45

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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.