Home / 50,254.80-75,317.40-30,512.40

Finding the Fourth Proportional to 50,254.80, 75,317.40 and 30,512.40

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Solution

The fourth proportional to 50,254.80, 75,317.40 and 30,512.40 is: 45,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,254.80 : 75,317.40 = 30,512.40 : x
  2. Step 2: Convert to fraction form
    50,254.80/75,317.40 = 30,512.40/x
  3. Step 3: Cross multiply
    50,254.80x = 75,317.40 × 30,512.40
  4. Step 4: Simplify right side
    50,254.80x = 2,298,114,635.76
  5. Step 5: Solve for x
    x = 2,298,114,635.76/50,254.80
  6. Step 6: Final answer
    x = 45,729.26

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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.