Home / 35,006.48-48,309-20,666.96

Finding the Fourth Proportional to 35,006.48, 48,309 and 20,666.96

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Solution

The fourth proportional to 35,006.48, 48,309 and 20,666.96 is: 28,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,006.48 : 48,309 = 20,666.96 : x
  2. Step 2: Convert to fraction form
    35,006.48/48,309 = 20,666.96/x
  3. Step 3: Cross multiply
    35,006.48x = 48,309 × 20,666.96
  4. Step 4: Simplify right side
    35,006.48x = 998,400,170.64
  5. Step 5: Solve for x
    x = 998,400,170.64/35,006.48
  6. Step 6: Final answer
    x = 28,520.44

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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.