Home / 50,139.76-69,192.80-27,480.16

Finding the Fourth Proportional to 50,139.76, 69,192.80 and 27,480.16

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Solution

The fourth proportional to 50,139.76, 69,192.80 and 27,480.16 is: 37,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.76 : 69,192.80 = 27,480.16 : x
  2. Step 2: Convert to fraction form
    50,139.76/69,192.80 = 27,480.16/x
  3. Step 3: Cross multiply
    50,139.76x = 69,192.80 × 27,480.16
  4. Step 4: Simplify right side
    50,139.76x = 1,901,429,214.85
  5. Step 5: Solve for x
    x = 1,901,429,214.85/50,139.76
  6. Step 6: Final answer
    x = 37,922.58

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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.