Home / 40,461.24-60,699.14-12,380.77

Finding the Fourth Proportional to 40,461.24, 60,699.14 and 12,380.77

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Solution

The fourth proportional to 40,461.24, 60,699.14 and 12,380.77 is: 18,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.24 : 60,699.14 = 12,380.77 : x
  2. Step 2: Convert to fraction form
    40,461.24/60,699.14 = 12,380.77/x
  3. Step 3: Cross multiply
    40,461.24x = 60,699.14 × 12,380.77
  4. Step 4: Simplify right side
    40,461.24x = 751,502,091.54
  5. Step 5: Solve for x
    x = 751,502,091.54/40,461.24
  6. Step 6: Final answer
    x = 18,573.38

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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.