Home / 52,705.67-72,737.77-30,045.20

Finding the Fourth Proportional to 52,705.67, 72,737.77 and 30,045.20

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Solution

The fourth proportional to 52,705.67, 72,737.77 and 30,045.20 is: 41,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.67 : 72,737.77 = 30,045.20 : x
  2. Step 2: Convert to fraction form
    52,705.67/72,737.77 = 30,045.20/x
  3. Step 3: Cross multiply
    52,705.67x = 72,737.77 × 30,045.20
  4. Step 4: Simplify right side
    52,705.67x = 2,185,420,847.20
  5. Step 5: Solve for x
    x = 2,185,420,847.20/52,705.67
  6. Step 6: Final answer
    x = 41,464.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.