Home / 39,077.16-58,520.70-18,306.60

Finding the Fourth Proportional to 39,077.16, 58,520.70 and 18,306.60

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Solution

The fourth proportional to 39,077.16, 58,520.70 and 18,306.60 is: 27,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.16 : 58,520.70 = 18,306.60 : x
  2. Step 2: Convert to fraction form
    39,077.16/58,520.70 = 18,306.60/x
  3. Step 3: Cross multiply
    39,077.16x = 58,520.70 × 18,306.60
  4. Step 4: Simplify right side
    39,077.16x = 1,071,315,046.62
  5. Step 5: Solve for x
    x = 1,071,315,046.62/39,077.16
  6. Step 6: Final answer
    x = 27,415.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.