Home / 45,424.20-68,136.30-32,885.40

Finding the Fourth Proportional to 45,424.20, 68,136.30 and 32,885.40

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Solution

The fourth proportional to 45,424.20, 68,136.30 and 32,885.40 is: 49,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.20 : 68,136.30 = 32,885.40 : x
  2. Step 2: Convert to fraction form
    45,424.20/68,136.30 = 32,885.40/x
  3. Step 3: Cross multiply
    45,424.20x = 68,136.30 × 32,885.40
  4. Step 4: Simplify right side
    45,424.20x = 2,240,689,480.02
  5. Step 5: Solve for x
    x = 2,240,689,480.02/45,424.20
  6. Step 6: Final answer
    x = 49,328.10

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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.