Home / 48,685.20-73,022.40-39,904.80

Finding the Fourth Proportional to 48,685.20, 73,022.40 and 39,904.80

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Solution

The fourth proportional to 48,685.20, 73,022.40 and 39,904.80 is: 59,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.20 : 73,022.40 = 39,904.80 : x
  2. Step 2: Convert to fraction form
    48,685.20/73,022.40 = 39,904.80/x
  3. Step 3: Cross multiply
    48,685.20x = 73,022.40 × 39,904.80
  4. Step 4: Simplify right side
    48,685.20x = 2,913,944,267.52
  5. Step 5: Solve for x
    x = 2,913,944,267.52/48,685.20
  6. Step 6: Final answer
    x = 59,852.77

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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.