Home / 50,139.60-75,209.52-20,552.16

Finding the Fourth Proportional to 50,139.60, 75,209.52 and 20,552.16

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Solution

The fourth proportional to 50,139.60, 75,209.52 and 20,552.16 is: 30,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.60 : 75,209.52 = 20,552.16 : x
  2. Step 2: Convert to fraction form
    50,139.60/75,209.52 = 20,552.16/x
  3. Step 3: Cross multiply
    50,139.60x = 75,209.52 × 20,552.16
  4. Step 4: Simplify right side
    50,139.60x = 1,545,718,088.56
  5. Step 5: Solve for x
    x = 1,545,718,088.56/50,139.60
  6. Step 6: Final answer
    x = 30,828.29

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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.