Home / 35,864.06-49,488.45-20,753.78

Finding the Fourth Proportional to 35,864.06, 49,488.45 and 20,753.78

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Solution

The fourth proportional to 35,864.06, 49,488.45 and 20,753.78 is: 28,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,864.06 : 49,488.45 = 20,753.78 : x
  2. Step 2: Convert to fraction form
    35,864.06/49,488.45 = 20,753.78/x
  3. Step 3: Cross multiply
    35,864.06x = 49,488.45 × 20,753.78
  4. Step 4: Simplify right side
    35,864.06x = 1,027,072,403.84
  5. Step 5: Solve for x
    x = 1,027,072,403.84/35,864.06
  6. Step 6: Final answer
    x = 28,637.93

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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.