Home / 51,273.75-70,741.20-28,609.05

Finding the Fourth Proportional to 51,273.75, 70,741.20 and 28,609.05

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Solution

The fourth proportional to 51,273.75, 70,741.20 and 28,609.05 is: 39,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,273.75 : 70,741.20 = 28,609.05 : x
  2. Step 2: Convert to fraction form
    51,273.75/70,741.20 = 28,609.05/x
  3. Step 3: Cross multiply
    51,273.75x = 70,741.20 × 28,609.05
  4. Step 4: Simplify right side
    51,273.75x = 2,023,838,527.86
  5. Step 5: Solve for x
    x = 2,023,838,527.86/51,273.75
  6. Step 6: Final answer
    x = 39,471.24

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1.5x scale

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.