Home / 52,109.22-71,910.48-28,235.91

Finding the Fourth Proportional to 52,109.22, 71,910.48 and 28,235.91

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Solution

The fourth proportional to 52,109.22, 71,910.48 and 28,235.91 is: 38,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,109.22 : 71,910.48 = 28,235.91 : x
  2. Step 2: Convert to fraction form
    52,109.22/71,910.48 = 28,235.91/x
  3. Step 3: Cross multiply
    52,109.22x = 71,910.48 × 28,235.91
  4. Step 4: Simplify right side
    52,109.22x = 2,030,457,841.34
  5. Step 5: Solve for x
    x = 2,030,457,841.34/52,109.22
  6. Step 6: Final answer
    x = 38,965.42

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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.