Home / 38,952.87-58,434.92-12,289.80

Finding the Fourth Proportional to 38,952.87, 58,434.92 and 12,289.80

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Solution

The fourth proportional to 38,952.87, 58,434.92 and 12,289.80 is: 18,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,952.87 : 58,434.92 = 12,289.80 : x
  2. Step 2: Convert to fraction form
    38,952.87/58,434.92 = 12,289.80/x
  3. Step 3: Cross multiply
    38,952.87x = 58,434.92 × 12,289.80
  4. Step 4: Simplify right side
    38,952.87x = 718,153,418.37
  5. Step 5: Solve for x
    x = 718,153,418.37/38,952.87
  6. Step 6: Final answer
    x = 18,436.47

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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.