Home / 38,955.87-58,439.45-12,292.80

Finding the Fourth Proportional to 38,955.87, 58,439.45 and 12,292.80

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Solution

The fourth proportional to 38,955.87, 58,439.45 and 12,292.80 is: 18,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.87 : 58,439.45 = 12,292.80 : x
  2. Step 2: Convert to fraction form
    38,955.87/58,439.45 = 12,292.80/x
  3. Step 3: Cross multiply
    38,955.87x = 58,439.45 × 12,292.80
  4. Step 4: Simplify right side
    38,955.87x = 718,384,409.50
  5. Step 5: Solve for x
    x = 718,384,409.50/38,955.87
  6. Step 6: Final answer
    x = 18,440.98

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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.