Home / 35,341.86-48,772.82-20,239.41

Finding the Fourth Proportional to 35,341.86, 48,772.82 and 20,239.41

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Solution

The fourth proportional to 35,341.86, 48,772.82 and 20,239.41 is: 27,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,341.86 : 48,772.82 = 20,239.41 : x
  2. Step 2: Convert to fraction form
    35,341.86/48,772.82 = 20,239.41/x
  3. Step 3: Cross multiply
    35,341.86x = 48,772.82 × 20,239.41
  4. Step 4: Simplify right side
    35,341.86x = 987,133,151.43
  5. Step 5: Solve for x
    x = 987,133,151.43/35,341.86
  6. Step 6: Final answer
    x = 27,930.99

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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.