Home / 51,489.89-71,019.35-47,254.62

Finding the Fourth Proportional to 51,489.89, 71,019.35 and 47,254.62

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Solution

The fourth proportional to 51,489.89, 71,019.35 and 47,254.62 is: 65,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.89 : 71,019.35 = 47,254.62 : x
  2. Step 2: Convert to fraction form
    51,489.89/71,019.35 = 47,254.62/x
  3. Step 3: Cross multiply
    51,489.89x = 71,019.35 × 47,254.62
  4. Step 4: Simplify right side
    51,489.89x = 3,355,992,160.62
  5. Step 5: Solve for x
    x = 3,355,992,160.62/51,489.89
  6. Step 6: Final answer
    x = 65,177.70

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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.