Home / 52,090.93-71,885.47-28,217.59

Finding the Fourth Proportional to 52,090.93, 71,885.47 and 28,217.59

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Solution

The fourth proportional to 52,090.93, 71,885.47 and 28,217.59 is: 38,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.93 : 71,885.47 = 28,217.59 : x
  2. Step 2: Convert to fraction form
    52,090.93/71,885.47 = 28,217.59/x
  3. Step 3: Cross multiply
    52,090.93x = 71,885.47 × 28,217.59
  4. Step 4: Simplify right side
    52,090.93x = 2,028,434,969.67
  5. Step 5: Solve for x
    x = 2,028,434,969.67/52,090.93
  6. Step 6: Final answer
    x = 38,940.28

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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.