Home / 43,130.88-64,674.72-13,548.33

Finding the Fourth Proportional to 43,130.88, 64,674.72 and 13,548.33

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Solution

The fourth proportional to 43,130.88, 64,674.72 and 13,548.33 is: 20,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130.88 : 64,674.72 = 13,548.33 : x
  2. Step 2: Convert to fraction form
    43,130.88/64,674.72 = 13,548.33/x
  3. Step 3: Cross multiply
    43,130.88x = 64,674.72 × 13,548.33
  4. Step 4: Simplify right side
    43,130.88x = 876,234,449.22
  5. Step 5: Solve for x
    x = 876,234,449.22/43,130.88
  6. Step 6: Final answer
    x = 20,315.71

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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.