Home / 50,397.60-69,551.52-28,890.92

Finding the Fourth Proportional to 50,397.60, 69,551.52 and 28,890.92

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Solution

The fourth proportional to 50,397.60, 69,551.52 and 28,890.92 is: 39,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,397.60 : 69,551.52 = 28,890.92 : x
  2. Step 2: Convert to fraction form
    50,397.60/69,551.52 = 28,890.92/x
  3. Step 3: Cross multiply
    50,397.60x = 69,551.52 × 28,890.92
  4. Step 4: Simplify right side
    50,397.60x = 2,009,407,400.20
  5. Step 5: Solve for x
    x = 2,009,407,400.20/50,397.60
  6. Step 6: Final answer
    x = 39,871.09

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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.