Home / 39,191.76-58,794.36-12,903.96

Finding the Fourth Proportional to 39,191.76, 58,794.36 and 12,903.96

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Solution

The fourth proportional to 39,191.76, 58,794.36 and 12,903.96 is: 19,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.76 : 58,794.36 = 12,903.96 : x
  2. Step 2: Convert to fraction form
    39,191.76/58,794.36 = 12,903.96/x
  3. Step 3: Cross multiply
    39,191.76x = 58,794.36 × 12,903.96
  4. Step 4: Simplify right side
    39,191.76x = 758,680,069.67
  5. Step 5: Solve for x
    x = 758,680,069.67/39,191.76
  6. Step 6: Final answer
    x = 19,358.15

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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.