Home / 39,059.96-53,902.62-21,154.95

Finding the Fourth Proportional to 39,059.96, 53,902.62 and 21,154.95

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Solution

The fourth proportional to 39,059.96, 53,902.62 and 21,154.95 is: 29,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.96 : 53,902.62 = 21,154.95 : x
  2. Step 2: Convert to fraction form
    39,059.96/53,902.62 = 21,154.95/x
  3. Step 3: Cross multiply
    39,059.96x = 53,902.62 × 21,154.95
  4. Step 4: Simplify right side
    39,059.96x = 1,140,307,230.97
  5. Step 5: Solve for x
    x = 1,140,307,230.97/39,059.96
  6. Step 6: Final answer
    x = 29,193.77

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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.