Home / 47,998.80-72,091.63-39,120.69

Finding the Fourth Proportional to 47,998.80, 72,091.63 and 39,120.69

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Solution

The fourth proportional to 47,998.80, 72,091.63 and 39,120.69 is: 58,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.80 : 72,091.63 = 39,120.69 : x
  2. Step 2: Convert to fraction form
    47,998.80/72,091.63 = 39,120.69/x
  3. Step 3: Cross multiply
    47,998.80x = 72,091.63 × 39,120.69
  4. Step 4: Simplify right side
    47,998.80x = 2,820,274,461.99
  5. Step 5: Solve for x
    x = 2,820,274,461.99/47,998.80
  6. Step 6: Final answer
    x = 58,757.19

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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.