Home / 48,015.32-72,021.15-12,955.88

Finding the Fourth Proportional to 48,015.32, 72,021.15 and 12,955.88

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Solution

The fourth proportional to 48,015.32, 72,021.15 and 12,955.88 is: 19,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015.32 : 72,021.15 = 12,955.88 : x
  2. Step 2: Convert to fraction form
    48,015.32/72,021.15 = 12,955.88/x
  3. Step 3: Cross multiply
    48,015.32x = 72,021.15 × 12,955.88
  4. Step 4: Simplify right side
    48,015.32x = 933,097,556.91
  5. Step 5: Solve for x
    x = 933,097,556.91/48,015.32
  6. Step 6: Final answer
    x = 19,433.33

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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.