Home / 42,478.20-58,603.56-27,369.66

Finding the Fourth Proportional to 42,478.20, 58,603.56 and 27,369.66

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Solution

The fourth proportional to 42,478.20, 58,603.56 and 27,369.66 is: 37,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,478.20 : 58,603.56 = 27,369.66 : x
  2. Step 2: Convert to fraction form
    42,478.20/58,603.56 = 27,369.66/x
  3. Step 3: Cross multiply
    42,478.20x = 58,603.56 × 27,369.66
  4. Step 4: Simplify right side
    42,478.20x = 1,603,959,511.99
  5. Step 5: Solve for x
    x = 1,603,959,511.99/42,478.20
  6. Step 6: Final answer
    x = 37,759.59

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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.