Home / 35,009.15-48,310.70-19,899.71

Finding the Fourth Proportional to 35,009.15, 48,310.70 and 19,899.71

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Solution

The fourth proportional to 35,009.15, 48,310.70 and 19,899.71 is: 27,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,009.15 : 48,310.70 = 19,899.71 : x
  2. Step 2: Convert to fraction form
    35,009.15/48,310.70 = 19,899.71/x
  3. Step 3: Cross multiply
    35,009.15x = 48,310.70 × 19,899.71
  4. Step 4: Simplify right side
    35,009.15x = 961,368,919.90
  5. Step 5: Solve for x
    x = 961,368,919.90/35,009.15
  6. Step 6: Final answer
    x = 27,460.50

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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.