Home / 53,677.70-80,516.55-47,772.80

Finding the Fourth Proportional to 53,677.70, 80,516.55 and 47,772.80

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Solution

The fourth proportional to 53,677.70, 80,516.55 and 47,772.80 is: 71,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.70 : 80,516.55 = 47,772.80 : x
  2. Step 2: Convert to fraction form
    53,677.70/80,516.55 = 47,772.80/x
  3. Step 3: Cross multiply
    53,677.70x = 80,516.55 × 47,772.80
  4. Step 4: Simplify right side
    53,677.70x = 3,846,501,039.84
  5. Step 5: Solve for x
    x = 3,846,501,039.84/53,677.70
  6. Step 6: Final answer
    x = 71,659.20

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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.