Home / 48,353.92-66,711.60-30,450.56

Finding the Fourth Proportional to 48,353.92, 66,711.60 and 30,450.56

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Solution

The fourth proportional to 48,353.92, 66,711.60 and 30,450.56 is: 42,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353.92 : 66,711.60 = 30,450.56 : x
  2. Step 2: Convert to fraction form
    48,353.92/66,711.60 = 30,450.56/x
  3. Step 3: Cross multiply
    48,353.92x = 66,711.60 × 30,450.56
  4. Step 4: Simplify right side
    48,353.92x = 2,031,405,578.50
  5. Step 5: Solve for x
    x = 2,031,405,578.50/48,353.92
  6. Step 6: Final answer
    x = 42,011.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.