Home / 45,462.08-68,192.98-20,472.87

Finding the Fourth Proportional to 45,462.08, 68,192.98 and 20,472.87

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Solution

The fourth proportional to 45,462.08, 68,192.98 and 20,472.87 is: 30,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,462.08 : 68,192.98 = 20,472.87 : x
  2. Step 2: Convert to fraction form
    45,462.08/68,192.98 = 20,472.87/x
  3. Step 3: Cross multiply
    45,462.08x = 68,192.98 × 20,472.87
  4. Step 4: Simplify right side
    45,462.08x = 1,396,106,014.45
  5. Step 5: Solve for x
    x = 1,396,106,014.45/45,462.08
  6. Step 6: Final answer
    x = 30,709.24

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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.