Home / 38,842.50-58,263.52-9,991.08

Finding the Fourth Proportional to 38,842.50, 58,263.52 and 9,991.08

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Solution

The fourth proportional to 38,842.50, 58,263.52 and 9,991.08 is: 14,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842.50 : 58,263.52 = 9,991.08 : x
  2. Step 2: Convert to fraction form
    38,842.50/58,263.52 = 9,991.08/x
  3. Step 3: Cross multiply
    38,842.50x = 58,263.52 × 9,991.08
  4. Step 4: Simplify right side
    38,842.50x = 582,115,472.18
  5. Step 5: Solve for x
    x = 582,115,472.18/38,842.50
  6. Step 6: Final answer
    x = 14,986.56

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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.