Home / 52,090.95-71,885.42-28,217.71

Finding the Fourth Proportional to 52,090.95, 71,885.42 and 28,217.71

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Solution

The fourth proportional to 52,090.95, 71,885.42 and 28,217.71 is: 38,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.95 : 71,885.42 = 28,217.71 : x
  2. Step 2: Convert to fraction form
    52,090.95/71,885.42 = 28,217.71/x
  3. Step 3: Cross multiply
    52,090.95x = 71,885.42 × 28,217.71
  4. Step 4: Simplify right side
    52,090.95x = 2,028,441,934.79
  5. Step 5: Solve for x
    x = 2,028,441,934.79/52,090.95
  6. Step 6: Final answer
    x = 38,940.39

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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.