Home / 45,808.05-68,721.89-14,217.45

Finding the Fourth Proportional to 45,808.05, 68,721.89 and 14,217.45

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Solution

The fourth proportional to 45,808.05, 68,721.89 and 14,217.45 is: 21,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,808.05 : 68,721.89 = 14,217.45 : x
  2. Step 2: Convert to fraction form
    45,808.05/68,721.89 = 14,217.45/x
  3. Step 3: Cross multiply
    45,808.05x = 68,721.89 × 14,217.45
  4. Step 4: Simplify right side
    45,808.05x = 977,049,963.89
  5. Step 5: Solve for x
    x = 977,049,963.89/45,808.05
  6. Step 6: Final answer
    x = 21,329.22

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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.