Home / 50,639.60-75,959.40-13,703.60

Finding the Fourth Proportional to 50,639.60, 75,959.40 and 13,703.60

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Solution

The fourth proportional to 50,639.60, 75,959.40 and 13,703.60 is: 20,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.60 : 75,959.40 = 13,703.60 : x
  2. Step 2: Convert to fraction form
    50,639.60/75,959.40 = 13,703.60/x
  3. Step 3: Cross multiply
    50,639.60x = 75,959.40 × 13,703.60
  4. Step 4: Simplify right side
    50,639.60x = 1,040,917,233.84
  5. Step 5: Solve for x
    x = 1,040,917,233.84/50,639.60
  6. Step 6: Final answer
    x = 20,555.40

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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.