Home / 45,737.40-68,611.14-14,565.48

Finding the Fourth Proportional to 45,737.40, 68,611.14 and 14,565.48

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Solution

The fourth proportional to 45,737.40, 68,611.14 and 14,565.48 is: 21,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,737.40 : 68,611.14 = 14,565.48 : x
  2. Step 2: Convert to fraction form
    45,737.40/68,611.14 = 14,565.48/x
  3. Step 3: Cross multiply
    45,737.40x = 68,611.14 × 14,565.48
  4. Step 4: Simplify right side
    45,737.40x = 999,354,187.45
  5. Step 5: Solve for x
    x = 999,354,187.45/45,737.40
  6. Step 6: Final answer
    x = 21,849.83

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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.