Home / 35,264.80-48,662.28-20,154.46

Finding the Fourth Proportional to 35,264.80, 48,662.28 and 20,154.46

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Solution

The fourth proportional to 35,264.80, 48,662.28 and 20,154.46 is: 27,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,264.80 : 48,662.28 = 20,154.46 : x
  2. Step 2: Convert to fraction form
    35,264.80/48,662.28 = 20,154.46/x
  3. Step 3: Cross multiply
    35,264.80x = 48,662.28 × 20,154.46
  4. Step 4: Simplify right side
    35,264.80x = 980,761,975.77
  5. Step 5: Solve for x
    x = 980,761,975.77/35,264.80
  6. Step 6: Final answer
    x = 27,811.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.