Home / 52,301.88-72,177.04-28,428.60

Finding the Fourth Proportional to 52,301.88, 72,177.04 and 28,428.60

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Solution

The fourth proportional to 52,301.88, 72,177.04 and 28,428.60 is: 39,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.88 : 72,177.04 = 28,428.60 : x
  2. Step 2: Convert to fraction form
    52,301.88/72,177.04 = 28,428.60/x
  3. Step 3: Cross multiply
    52,301.88x = 72,177.04 × 28,428.60
  4. Step 4: Simplify right side
    52,301.88x = 2,051,892,199.34
  5. Step 5: Solve for x
    x = 2,051,892,199.34/52,301.88
  6. Step 6: Final answer
    x = 39,231.71

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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.