Home / 45,102.03-67,668.84-13,937.28

Finding the Fourth Proportional to 45,102.03, 67,668.84 and 13,937.28

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Solution

The fourth proportional to 45,102.03, 67,668.84 and 13,937.28 is: 20,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.03 : 67,668.84 = 13,937.28 : x
  2. Step 2: Convert to fraction form
    45,102.03/67,668.84 = 13,937.28/x
  3. Step 3: Cross multiply
    45,102.03x = 67,668.84 × 13,937.28
  4. Step 4: Simplify right side
    45,102.03x = 943,119,570.36
  5. Step 5: Solve for x
    x = 943,119,570.36/45,102.03
  6. Step 6: Final answer
    x = 20,910.80

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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.