Home / 42,489.60-58,603.20-27,383.76

Finding the Fourth Proportional to 42,489.60, 58,603.20 and 27,383.76

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Solution

The fourth proportional to 42,489.60, 58,603.20 and 27,383.76 is: 37,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,489.60 : 58,603.20 = 27,383.76 : x
  2. Step 2: Convert to fraction form
    42,489.60/58,603.20 = 27,383.76/x
  3. Step 3: Cross multiply
    42,489.60x = 58,603.20 × 27,383.76
  4. Step 4: Simplify right side
    42,489.60x = 1,604,775,964.03
  5. Step 5: Solve for x
    x = 1,604,775,964.03/42,489.60
  6. Step 6: Final answer
    x = 37,768.68

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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.