Home / 48,664.20-72,990.90-39,883.80

Finding the Fourth Proportional to 48,664.20, 72,990.90 and 39,883.80

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Solution

The fourth proportional to 48,664.20, 72,990.90 and 39,883.80 is: 59,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.20 : 72,990.90 = 39,883.80 : x
  2. Step 2: Convert to fraction form
    48,664.20/72,990.90 = 39,883.80/x
  3. Step 3: Cross multiply
    48,664.20x = 72,990.90 × 39,883.80
  4. Step 4: Simplify right side
    48,664.20x = 2,911,154,457.42
  5. Step 5: Solve for x
    x = 2,911,154,457.42/48,664.20
  6. Step 6: Final answer
    x = 59,821.27

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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.