Home / 50,222.17-75,330.81-18,638.39

Finding the Fourth Proportional to 50,222.17, 75,330.81 and 18,638.39

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Solution

The fourth proportional to 50,222.17, 75,330.81 and 18,638.39 is: 27,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,222.17 : 75,330.81 = 18,638.39 : x
  2. Step 2: Convert to fraction form
    50,222.17/75,330.81 = 18,638.39/x
  3. Step 3: Cross multiply
    50,222.17x = 75,330.81 × 18,638.39
  4. Step 4: Simplify right side
    50,222.17x = 1,404,044,639.14
  5. Step 5: Solve for x
    x = 1,404,044,639.14/50,222.17
  6. Step 6: Final answer
    x = 27,956.67

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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.