Home / 50,123.73-75,201.40-30,155.06

Finding the Fourth Proportional to 50,123.73, 75,201.40 and 30,155.06

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Solution

The fourth proportional to 50,123.73, 75,201.40 and 30,155.06 is: 45,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,123.73 : 75,201.40 = 30,155.06 : x
  2. Step 2: Convert to fraction form
    50,123.73/75,201.40 = 30,155.06/x
  3. Step 3: Cross multiply
    50,123.73x = 75,201.40 × 30,155.06
  4. Step 4: Simplify right side
    50,123.73x = 2,267,702,954.78
  5. Step 5: Solve for x
    x = 2,267,702,954.78/50,123.73
  6. Step 6: Final answer
    x = 45,242.10

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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.