Home / 38,785.04-58,177.58-12,491.84

Finding the Fourth Proportional to 38,785.04, 58,177.58 and 12,491.84

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Solution

The fourth proportional to 38,785.04, 58,177.58 and 12,491.84 is: 18,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.04 : 58,177.58 = 12,491.84 : x
  2. Step 2: Convert to fraction form
    38,785.04/58,177.58 = 12,491.84/x
  3. Step 3: Cross multiply
    38,785.04x = 58,177.58 × 12,491.84
  4. Step 4: Simplify right side
    38,785.04x = 726,745,020.95
  5. Step 5: Solve for x
    x = 726,745,020.95/38,785.04
  6. Step 6: Final answer
    x = 18,737.77

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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.