Home / 45,876.68-68,807.66-12,588.98

Finding the Fourth Proportional to 45,876.68, 68,807.66 and 12,588.98

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Solution

The fourth proportional to 45,876.68, 68,807.66 and 12,588.98 is: 18,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,876.68 : 68,807.66 = 12,588.98 : x
  2. Step 2: Convert to fraction form
    45,876.68/68,807.66 = 12,588.98/x
  3. Step 3: Cross multiply
    45,876.68x = 68,807.66 × 12,588.98
  4. Step 4: Simplify right side
    45,876.68x = 866,217,919.42
  5. Step 5: Solve for x
    x = 866,217,919.42/45,876.68
  6. Step 6: Final answer
    x = 18,881.44

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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.