Home / 39,179.40-58,762.96-12,883.92

Finding the Fourth Proportional to 39,179.40, 58,762.96 and 12,883.92

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Solution

The fourth proportional to 39,179.40, 58,762.96 and 12,883.92 is: 19,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.40 : 58,762.96 = 12,883.92 : x
  2. Step 2: Convert to fraction form
    39,179.40/58,762.96 = 12,883.92/x
  3. Step 3: Cross multiply
    39,179.40x = 58,762.96 × 12,883.92
  4. Step 4: Simplify right side
    39,179.40x = 757,097,275.60
  5. Step 5: Solve for x
    x = 757,097,275.60/39,179.40
  6. Step 6: Final answer
    x = 19,323.86

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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.