Home / 43,060.12-64,590.06-11,895.16

Finding the Fourth Proportional to 43,060.12, 64,590.06 and 11,895.16

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Solution

The fourth proportional to 43,060.12, 64,590.06 and 11,895.16 is: 17,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,060.12 : 64,590.06 = 11,895.16 : x
  2. Step 2: Convert to fraction form
    43,060.12/64,590.06 = 11,895.16/x
  3. Step 3: Cross multiply
    43,060.12x = 64,590.06 × 11,895.16
  4. Step 4: Simplify right side
    43,060.12x = 768,309,098.11
  5. Step 5: Solve for x
    x = 768,309,098.11/43,060.12
  6. Step 6: Final answer
    x = 17,842.71

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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.