Home / 48,600.36-72,870.22-20,505.96

Finding the Fourth Proportional to 48,600.36, 72,870.22 and 20,505.96

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Solution

The fourth proportional to 48,600.36, 72,870.22 and 20,505.96 is: 30,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600.36 : 72,870.22 = 20,505.96 : x
  2. Step 2: Convert to fraction form
    48,600.36/72,870.22 = 20,505.96/x
  3. Step 3: Cross multiply
    48,600.36x = 72,870.22 × 20,505.96
  4. Step 4: Simplify right side
    48,600.36x = 1,494,273,816.51
  5. Step 5: Solve for x
    x = 1,494,273,816.51/48,600.36
  6. Step 6: Final answer
    x = 30,746.15

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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.