Home / 52,111.85-71,914.10-28,238.54

Finding the Fourth Proportional to 52,111.85, 71,914.10 and 28,238.54

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Solution

The fourth proportional to 52,111.85, 71,914.10 and 28,238.54 is: 38,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.85 : 71,914.10 = 28,238.54 : x
  2. Step 2: Convert to fraction form
    52,111.85/71,914.10 = 28,238.54/x
  3. Step 3: Cross multiply
    52,111.85x = 71,914.10 × 28,238.54
  4. Step 4: Simplify right side
    52,111.85x = 2,030,748,900.44
  5. Step 5: Solve for x
    x = 2,030,748,900.44/52,111.85
  6. Step 6: Final answer
    x = 38,969.05

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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.