Home / 52,109.08-71,910.60-28,235.74

Finding the Fourth Proportional to 52,109.08, 71,910.60 and 28,235.74

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Solution

The fourth proportional to 52,109.08, 71,910.60 and 28,235.74 is: 38,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,109.08 : 71,910.60 = 28,235.74 : x
  2. Step 2: Convert to fraction form
    52,109.08/71,910.60 = 28,235.74/x
  3. Step 3: Cross multiply
    52,109.08x = 71,910.60 × 28,235.74
  4. Step 4: Simplify right side
    52,109.08x = 2,030,449,004.84
  5. Step 5: Solve for x
    x = 2,030,449,004.84/52,109.08
  6. Step 6: Final answer
    x = 38,965.36

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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.