Home / 57,280.14-85,892.45-19,842.35

Finding the Fourth Proportional to 57,280.14, 85,892.45 and 19,842.35

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Solution

The fourth proportional to 57,280.14, 85,892.45 and 19,842.35 is: 29,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.14 : 85,892.45 = 19,842.35 : x
  2. Step 2: Convert to fraction form
    57,280.14/85,892.45 = 19,842.35/x
  3. Step 3: Cross multiply
    57,280.14x = 85,892.45 × 19,842.35
  4. Step 4: Simplify right side
    57,280.14x = 1,704,307,526.58
  5. Step 5: Solve for x
    x = 1,704,307,526.58/57,280.14
  6. Step 6: Final answer
    x = 29,753.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.