Home / 51,009.75-76,519.04-14,073.75

Finding the Fourth Proportional to 51,009.75, 76,519.04 and 14,073.75

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Solution

The fourth proportional to 51,009.75, 76,519.04 and 14,073.75 is: 21,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.75 : 76,519.04 = 14,073.75 : x
  2. Step 2: Convert to fraction form
    51,009.75/76,519.04 = 14,073.75/x
  3. Step 3: Cross multiply
    51,009.75x = 76,519.04 × 14,073.75
  4. Step 4: Simplify right side
    51,009.75x = 1,076,909,768.83
  5. Step 5: Solve for x
    x = 1,076,909,768.83/51,009.75
  6. Step 6: Final answer
    x = 21,111.84

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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.