Home / 50,488.36-69,626.64-39,903.28

Finding the Fourth Proportional to 50,488.36, 69,626.64 and 39,903.28

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Solution

The fourth proportional to 50,488.36, 69,626.64 and 39,903.28 is: 55,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,488.36 : 69,626.64 = 39,903.28 : x
  2. Step 2: Convert to fraction form
    50,488.36/69,626.64 = 39,903.28/x
  3. Step 3: Cross multiply
    50,488.36x = 69,626.64 × 39,903.28
  4. Step 4: Simplify right side
    50,488.36x = 2,778,331,311.38
  5. Step 5: Solve for x
    x = 2,778,331,311.38/50,488.36
  6. Step 6: Final answer
    x = 55,029.15

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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.