Home / 51,503.36-71,106.75-39,542.90

Finding the Fourth Proportional to 51,503.36, 71,106.75 and 39,542.90

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Solution

The fourth proportional to 51,503.36, 71,106.75 and 39,542.90 is: 54,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.36 : 71,106.75 = 39,542.90 : x
  2. Step 2: Convert to fraction form
    51,503.36/71,106.75 = 39,542.90/x
  3. Step 3: Cross multiply
    51,503.36x = 71,106.75 × 39,542.90
  4. Step 4: Simplify right side
    51,503.36x = 2,811,767,104.58
  5. Step 5: Solve for x
    x = 2,811,767,104.58/51,503.36
  6. Step 6: Final answer
    x = 54,593.86

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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.