Home / 50,921.58-70,269.70-28,261.52

Finding the Fourth Proportional to 50,921.58, 70,269.70 and 28,261.52

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Solution

The fourth proportional to 50,921.58, 70,269.70 and 28,261.52 is: 38,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.58 : 70,269.70 = 28,261.52 : x
  2. Step 2: Convert to fraction form
    50,921.58/70,269.70 = 28,261.52/x
  3. Step 3: Cross multiply
    50,921.58x = 70,269.70 × 28,261.52
  4. Step 4: Simplify right side
    50,921.58x = 1,985,928,531.94
  5. Step 5: Solve for x
    x = 1,985,928,531.94/50,921.58
  6. Step 6: Final answer
    x = 38,999.74

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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.