Home / 43,484.10-65,226.15-12,319.62

Finding the Fourth Proportional to 43,484.10, 65,226.15 and 12,319.62

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Solution

The fourth proportional to 43,484.10, 65,226.15 and 12,319.62 is: 18,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,484.10 : 65,226.15 = 12,319.62 : x
  2. Step 2: Convert to fraction form
    43,484.10/65,226.15 = 12,319.62/x
  3. Step 3: Cross multiply
    43,484.10x = 65,226.15 × 12,319.62
  4. Step 4: Simplify right side
    43,484.10x = 803,561,382.06
  5. Step 5: Solve for x
    x = 803,561,382.06/43,484.10
  6. Step 6: Final answer
    x = 18,479.43

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Similar ratio
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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.