Home / 57,788.28-86,518.08-38,007.36

Finding the Fourth Proportional to 57,788.28, 86,518.08 and 38,007.36

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Solution

The fourth proportional to 57,788.28, 86,518.08 and 38,007.36 is: 56,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788.28 : 86,518.08 = 38,007.36 : x
  2. Step 2: Convert to fraction form
    57,788.28/86,518.08 = 38,007.36/x
  3. Step 3: Cross multiply
    57,788.28x = 86,518.08 × 38,007.36
  4. Step 4: Simplify right side
    57,788.28x = 3,288,323,813.07
  5. Step 5: Solve for x
    x = 3,288,323,813.07/57,788.28
  6. Step 6: Final answer
    x = 56,902.95

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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.