Home / 35,145.60-48,498.66-20,039.91

Finding the Fourth Proportional to 35,145.60, 48,498.66 and 20,039.91

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Solution

The fourth proportional to 35,145.60, 48,498.66 and 20,039.91 is: 27,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.60 : 48,498.66 = 20,039.91 : x
  2. Step 2: Convert to fraction form
    35,145.60/48,498.66 = 20,039.91/x
  3. Step 3: Cross multiply
    35,145.60x = 48,498.66 × 20,039.91
  4. Step 4: Simplify right side
    35,145.60x = 971,908,781.52
  5. Step 5: Solve for x
    x = 971,908,781.52/35,145.60
  6. Step 6: Final answer
    x = 27,653.78

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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.