Home / 35,846.08-49,473.70-20,748

Finding the Fourth Proportional to 35,846.08, 49,473.70 and 20,748

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Solution

The fourth proportional to 35,846.08, 49,473.70 and 20,748 is: 28,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,846.08 : 49,473.70 = 20,748 : x
  2. Step 2: Convert to fraction form
    35,846.08/49,473.70 = 20,748/x
  3. Step 3: Cross multiply
    35,846.08x = 49,473.70 × 20,748
  4. Step 4: Simplify right side
    35,846.08x = 1,026,480,327.60
  5. Step 5: Solve for x
    x = 1,026,480,327.60/35,846.08
  6. Step 6: Final answer
    x = 28,635.78

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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.