Home / 35,447.77-48,917.40-20,340.10

Finding the Fourth Proportional to 35,447.77, 48,917.40 and 20,340.10

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Solution

The fourth proportional to 35,447.77, 48,917.40 and 20,340.10 is: 28,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.77 : 48,917.40 = 20,340.10 : x
  2. Step 2: Convert to fraction form
    35,447.77/48,917.40 = 20,340.10/x
  3. Step 3: Cross multiply
    35,447.77x = 48,917.40 × 20,340.10
  4. Step 4: Simplify right side
    35,447.77x = 994,984,807.74
  5. Step 5: Solve for x
    x = 994,984,807.74/35,447.77
  6. Step 6: Final answer
    x = 28,069.04

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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.