Home / 42,760.20-64,123.92-16,450.68

Finding the Fourth Proportional to 42,760.20, 64,123.92 and 16,450.68

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Solution

The fourth proportional to 42,760.20, 64,123.92 and 16,450.68 is: 24,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,760.20 : 64,123.92 = 16,450.68 : x
  2. Step 2: Convert to fraction form
    42,760.20/64,123.92 = 16,450.68/x
  3. Step 3: Cross multiply
    42,760.20x = 64,123.92 × 16,450.68
  4. Step 4: Simplify right side
    42,760.20x = 1,054,882,088.27
  5. Step 5: Solve for x
    x = 1,054,882,088.27/42,760.20
  6. Step 6: Final answer
    x = 24,669.72

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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.