Home / 51,015.75-76,528.04-14,079.75

Finding the Fourth Proportional to 51,015.75, 76,528.04 and 14,079.75

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Solution

The fourth proportional to 51,015.75, 76,528.04 and 14,079.75 is: 21,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.75 : 76,528.04 = 14,079.75 : x
  2. Step 2: Convert to fraction form
    51,015.75/76,528.04 = 14,079.75/x
  3. Step 3: Cross multiply
    51,015.75x = 76,528.04 × 14,079.75
  4. Step 4: Simplify right side
    51,015.75x = 1,077,495,600.79
  5. Step 5: Solve for x
    x = 1,077,495,600.79/51,015.75
  6. Step 6: Final answer
    x = 21,120.84

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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.