Home / 39,998.54-55,303.14-39,367.02

Finding the Fourth Proportional to 39,998.54, 55,303.14 and 39,367.02

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Solution

The fourth proportional to 39,998.54, 55,303.14 and 39,367.02 is: 54,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.54 : 55,303.14 = 39,367.02 : x
  2. Step 2: Convert to fraction form
    39,998.54/55,303.14 = 39,367.02/x
  3. Step 3: Cross multiply
    39,998.54x = 55,303.14 × 39,367.02
  4. Step 4: Simplify right side
    39,998.54x = 2,177,119,818.44
  5. Step 5: Solve for x
    x = 2,177,119,818.44/39,998.54
  6. Step 6: Final answer
    x = 54,429.98

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1.5x scale

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.