Home / 79,626.69-119,444.22-20,462.76

Finding the Fourth Proportional to 79,626.69, 119,444.22 and 20,462.76

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Solution

The fourth proportional to 79,626.69, 119,444.22 and 20,462.76 is: 30,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,626.69 : 119,444.22 = 20,462.76 : x
  2. Step 2: Convert to fraction form
    79,626.69/119,444.22 = 20,462.76/x
  3. Step 3: Cross multiply
    79,626.69x = 119,444.22 × 20,462.76
  4. Step 4: Simplify right side
    79,626.69x = 2,444,158,407.25
  5. Step 5: Solve for x
    x = 2,444,158,407.25/79,626.69
  6. Step 6: Final answer
    x = 30,695.22

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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.