Home / 45,269.34-67,904.66-13,679.66

Finding the Fourth Proportional to 45,269.34, 67,904.66 and 13,679.66

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Solution

The fourth proportional to 45,269.34, 67,904.66 and 13,679.66 is: 20,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,269.34 : 67,904.66 = 13,679.66 : x
  2. Step 2: Convert to fraction form
    45,269.34/67,904.66 = 13,679.66/x
  3. Step 3: Cross multiply
    45,269.34x = 67,904.66 × 13,679.66
  4. Step 4: Simplify right side
    45,269.34x = 928,912,762.58
  5. Step 5: Solve for x
    x = 928,912,762.58/45,269.34
  6. Step 6: Final answer
    x = 20,519.69

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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.