Home / 51,276.44-70,793.52-39,316.80

Finding the Fourth Proportional to 51,276.44, 70,793.52 and 39,316.80

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Solution

The fourth proportional to 51,276.44, 70,793.52 and 39,316.80 is: 54,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.44 : 70,793.52 = 39,316.80 : x
  2. Step 2: Convert to fraction form
    51,276.44/70,793.52 = 39,316.80/x
  3. Step 3: Cross multiply
    51,276.44x = 70,793.52 × 39,316.80
  4. Step 4: Simplify right side
    51,276.44x = 2,783,374,667.14
  5. Step 5: Solve for x
    x = 2,783,374,667.14/51,276.44
  6. Step 6: Final answer
    x = 54,281.75

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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.