Home / 45,132.63-67,709.76-13,967.88

Finding the Fourth Proportional to 45,132.63, 67,709.76 and 13,967.88

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Solution

The fourth proportional to 45,132.63, 67,709.76 and 13,967.88 is: 20,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132.63 : 67,709.76 = 13,967.88 : x
  2. Step 2: Convert to fraction form
    45,132.63/67,709.76 = 13,967.88/x
  3. Step 3: Cross multiply
    45,132.63x = 67,709.76 × 13,967.88
  4. Step 4: Simplify right side
    45,132.63x = 945,761,802.51
  5. Step 5: Solve for x
    x = 945,761,802.51/45,132.63
  6. Step 6: Final answer
    x = 20,955.17

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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.