Home / 40,264.88-60,380.32-13,957.76

Finding the Fourth Proportional to 40,264.88, 60,380.32 and 13,957.76

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Solution

The fourth proportional to 40,264.88, 60,380.32 and 13,957.76 is: 20,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264.88 : 60,380.32 = 13,957.76 : x
  2. Step 2: Convert to fraction form
    40,264.88/60,380.32 = 13,957.76/x
  3. Step 3: Cross multiply
    40,264.88x = 60,380.32 × 13,957.76
  4. Step 4: Simplify right side
    40,264.88x = 842,774,015.28
  5. Step 5: Solve for x
    x = 842,774,015.28/40,264.88
  6. Step 6: Final answer
    x = 20,930.75

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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.