Home / 43,453.08-65,186.67-13,460.31

Finding the Fourth Proportional to 43,453.08, 65,186.67 and 13,460.31

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Solution

The fourth proportional to 43,453.08, 65,186.67 and 13,460.31 is: 20,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.08 : 65,186.67 = 13,460.31 : x
  2. Step 2: Convert to fraction form
    43,453.08/65,186.67 = 13,460.31/x
  3. Step 3: Cross multiply
    43,453.08x = 65,186.67 × 13,460.31
  4. Step 4: Simplify right side
    43,453.08x = 877,432,786.07
  5. Step 5: Solve for x
    x = 877,432,786.07/43,453.08
  6. Step 6: Final answer
    x = 20,192.65

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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.