Home / 50,306.96-75,459.55-20,320.46

Finding the Fourth Proportional to 50,306.96, 75,459.55 and 20,320.46

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Solution

The fourth proportional to 50,306.96, 75,459.55 and 20,320.46 is: 30,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.96 : 75,459.55 = 20,320.46 : x
  2. Step 2: Convert to fraction form
    50,306.96/75,459.55 = 20,320.46/x
  3. Step 3: Cross multiply
    50,306.96x = 75,459.55 × 20,320.46
  4. Step 4: Simplify right side
    50,306.96x = 1,533,372,767.39
  5. Step 5: Solve for x
    x = 1,533,372,767.39/50,306.96
  6. Step 6: Final answer
    x = 30,480.33

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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.