Home / 45,812.98-68,730.23-14,221.42

Finding the Fourth Proportional to 45,812.98, 68,730.23 and 14,221.42

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Solution

The fourth proportional to 45,812.98, 68,730.23 and 14,221.42 is: 21,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.98 : 68,730.23 = 14,221.42 : x
  2. Step 2: Convert to fraction form
    45,812.98/68,730.23 = 14,221.42/x
  3. Step 3: Cross multiply
    45,812.98x = 68,730.23 × 14,221.42
  4. Step 4: Simplify right side
    45,812.98x = 977,441,737.86
  5. Step 5: Solve for x
    x = 977,441,737.86/45,812.98
  6. Step 6: Final answer
    x = 21,335.48

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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.