Home / 38,955.60-58,439.03-12,292.53

Finding the Fourth Proportional to 38,955.60, 58,439.03 and 12,292.53

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Solution

The fourth proportional to 38,955.60, 58,439.03 and 12,292.53 is: 18,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.60 : 58,439.03 = 12,292.53 : x
  2. Step 2: Convert to fraction form
    38,955.60/58,439.03 = 12,292.53/x
  3. Step 3: Cross multiply
    38,955.60x = 58,439.03 × 12,292.53
  4. Step 4: Simplify right side
    38,955.60x = 718,363,529.45
  5. Step 5: Solve for x
    x = 718,363,529.45/38,955.60
  6. Step 6: Final answer
    x = 18,440.57

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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.