Home / 45,487.02-68,252.94-20,544.42

Finding the Fourth Proportional to 45,487.02, 68,252.94 and 20,544.42

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Solution

The fourth proportional to 45,487.02, 68,252.94 and 20,544.42 is: 30,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,487.02 : 68,252.94 = 20,544.42 : x
  2. Step 2: Convert to fraction form
    45,487.02/68,252.94 = 20,544.42/x
  3. Step 3: Cross multiply
    45,487.02x = 68,252.94 × 20,544.42
  4. Step 4: Simplify right side
    45,487.02x = 1,402,217,065.59
  5. Step 5: Solve for x
    x = 1,402,217,065.59/45,487.02
  6. Step 6: Final answer
    x = 30,826.75

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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.