Home / 51,331.75-70,833.20-28,667.59

Finding the Fourth Proportional to 51,331.75, 70,833.20 and 28,667.59

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Solution

The fourth proportional to 51,331.75, 70,833.20 and 28,667.59 is: 39,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331.75 : 70,833.20 = 28,667.59 : x
  2. Step 2: Convert to fraction form
    51,331.75/70,833.20 = 28,667.59/x
  3. Step 3: Cross multiply
    51,331.75x = 70,833.20 × 28,667.59
  4. Step 4: Simplify right side
    51,331.75x = 2,030,616,638.48
  5. Step 5: Solve for x
    x = 2,030,616,638.48/51,331.75
  6. Step 6: Final answer
    x = 39,558.69

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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.