Home / 35,663.08-49,214.97-20,555.64

Finding the Fourth Proportional to 35,663.08, 49,214.97 and 20,555.64

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Solution

The fourth proportional to 35,663.08, 49,214.97 and 20,555.64 is: 28,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.08 : 49,214.97 = 20,555.64 : x
  2. Step 2: Convert to fraction form
    35,663.08/49,214.97 = 20,555.64/x
  3. Step 3: Cross multiply
    35,663.08x = 49,214.97 × 20,555.64
  4. Step 4: Simplify right side
    35,663.08x = 1,011,644,959.86
  5. Step 5: Solve for x
    x = 1,011,644,959.86/35,663.08
  6. Step 6: Final answer
    x = 28,366.73

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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.