Home / 42,668.44-64,000.26-13,086.19

Finding the Fourth Proportional to 42,668.44, 64,000.26 and 13,086.19

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Solution

The fourth proportional to 42,668.44, 64,000.26 and 13,086.19 is: 19,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.44 : 64,000.26 = 13,086.19 : x
  2. Step 2: Convert to fraction form
    42,668.44/64,000.26 = 13,086.19/x
  3. Step 3: Cross multiply
    42,668.44x = 64,000.26 × 13,086.19
  4. Step 4: Simplify right side
    42,668.44x = 837,519,562.41
  5. Step 5: Solve for x
    x = 837,519,562.41/42,668.44
  6. Step 6: Final answer
    x = 19,628.55

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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.