Home / 43,575.91-65,374.76-12,411.16

Finding the Fourth Proportional to 43,575.91, 65,374.76 and 12,411.16

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Solution

The fourth proportional to 43,575.91, 65,374.76 and 12,411.16 is: 18,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.91 : 65,374.76 = 12,411.16 : x
  2. Step 2: Convert to fraction form
    43,575.91/65,374.76 = 12,411.16/x
  3. Step 3: Cross multiply
    43,575.91x = 65,374.76 × 12,411.16
  4. Step 4: Simplify right side
    43,575.91x = 811,376,473.91
  5. Step 5: Solve for x
    x = 811,376,473.91/43,575.91
  6. Step 6: Final answer
    x = 18,619.84

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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.