Home / 45,968.68-68,950.50-12,688.96

Finding the Fourth Proportional to 45,968.68, 68,950.50 and 12,688.96

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Solution

The fourth proportional to 45,968.68, 68,950.50 and 12,688.96 is: 19,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.68 : 68,950.50 = 12,688.96 : x
  2. Step 2: Convert to fraction form
    45,968.68/68,950.50 = 12,688.96/x
  3. Step 3: Cross multiply
    45,968.68x = 68,950.50 × 12,688.96
  4. Step 4: Simplify right side
    45,968.68x = 874,910,136.48
  5. Step 5: Solve for x
    x = 874,910,136.48/45,968.68
  6. Step 6: Final answer
    x = 19,032.74

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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.