Home / 35,117.84-48,458.66-20,778.11

Finding the Fourth Proportional to 35,117.84, 48,458.66 and 20,778.11

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Solution

The fourth proportional to 35,117.84, 48,458.66 and 20,778.11 is: 28,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.84 : 48,458.66 = 20,778.11 : x
  2. Step 2: Convert to fraction form
    35,117.84/48,458.66 = 20,778.11/x
  3. Step 3: Cross multiply
    35,117.84x = 48,458.66 × 20,778.11
  4. Step 4: Simplify right side
    35,117.84x = 1,006,879,203.47
  5. Step 5: Solve for x
    x = 1,006,879,203.47/35,117.84
  6. Step 6: Final answer
    x = 28,671.44

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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.