Home / 45,675.68-68,513.55-12,395.75

Finding the Fourth Proportional to 45,675.68, 68,513.55 and 12,395.75

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Solution

The fourth proportional to 45,675.68, 68,513.55 and 12,395.75 is: 18,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.68 : 68,513.55 = 12,395.75 : x
  2. Step 2: Convert to fraction form
    45,675.68/68,513.55 = 12,395.75/x
  3. Step 3: Cross multiply
    45,675.68x = 68,513.55 × 12,395.75
  4. Step 4: Simplify right side
    45,675.68x = 849,276,837.41
  5. Step 5: Solve for x
    x = 849,276,837.41/45,675.68
  6. Step 6: Final answer
    x = 18,593.63

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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.