Home / 50,429.40-75,638.32-13,490.52

Finding the Fourth Proportional to 50,429.40, 75,638.32 and 13,490.52

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Solution

The fourth proportional to 50,429.40, 75,638.32 and 13,490.52 is: 20,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,429.40 : 75,638.32 = 13,490.52 : x
  2. Step 2: Convert to fraction form
    50,429.40/75,638.32 = 13,490.52/x
  3. Step 3: Cross multiply
    50,429.40x = 75,638.32 × 13,490.52
  4. Step 4: Simplify right side
    50,429.40x = 1,020,400,268.73
  5. Step 5: Solve for x
    x = 1,020,400,268.73/50,429.40
  6. Step 6: Final answer
    x = 20,234.23

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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.