Home / 51,960.60-71,705.40-28,087.32

Finding the Fourth Proportional to 51,960.60, 71,705.40 and 28,087.32

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Solution

The fourth proportional to 51,960.60, 71,705.40 and 28,087.32 is: 38,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,960.60 : 71,705.40 = 28,087.32 : x
  2. Step 2: Convert to fraction form
    51,960.60/71,705.40 = 28,087.32/x
  3. Step 3: Cross multiply
    51,960.60x = 71,705.40 × 28,087.32
  4. Step 4: Simplify right side
    51,960.60x = 2,014,012,515.53
  5. Step 5: Solve for x
    x = 2,014,012,515.53/51,960.60
  6. Step 6: Final answer
    x = 38,760.38

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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.