Home / 39,231.20-58,846.80-38,842.40

Finding the Fourth Proportional to 39,231.20, 58,846.80 and 38,842.40

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Solution

The fourth proportional to 39,231.20, 58,846.80 and 38,842.40 is: 58,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.20 : 58,846.80 = 38,842.40 : x
  2. Step 2: Convert to fraction form
    39,231.20/58,846.80 = 38,842.40/x
  3. Step 3: Cross multiply
    39,231.20x = 58,846.80 × 38,842.40
  4. Step 4: Simplify right side
    39,231.20x = 2,285,750,944.32
  5. Step 5: Solve for x
    x = 2,285,750,944.32/39,231.20
  6. Step 6: Final answer
    x = 58,263.60

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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.