Home / 39,219.60-58,843.80-15,848.40

Finding the Fourth Proportional to 39,219.60, 58,843.80 and 15,848.40

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Solution

The fourth proportional to 39,219.60, 58,843.80 and 15,848.40 is: 23,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.60 : 58,843.80 = 15,848.40 : x
  2. Step 2: Convert to fraction form
    39,219.60/58,843.80 = 15,848.40/x
  3. Step 3: Cross multiply
    39,219.60x = 58,843.80 × 15,848.40
  4. Step 4: Simplify right side
    39,219.60x = 932,580,079.92
  5. Step 5: Solve for x
    x = 932,580,079.92/39,219.60
  6. Step 6: Final answer
    x = 23,778.42

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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.