Home / 50,415.36-69,572.52-28,059.36

Finding the Fourth Proportional to 50,415.36, 69,572.52 and 28,059.36

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Solution

The fourth proportional to 50,415.36, 69,572.52 and 28,059.36 is: 38,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.36 : 69,572.52 = 28,059.36 : x
  2. Step 2: Convert to fraction form
    50,415.36/69,572.52 = 28,059.36/x
  3. Step 3: Cross multiply
    50,415.36x = 69,572.52 × 28,059.36
  4. Step 4: Simplify right side
    50,415.36x = 1,952,160,384.79
  5. Step 5: Solve for x
    x = 1,952,160,384.79/50,415.36
  6. Step 6: Final answer
    x = 38,721.54

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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.