Home / 39,403.74-59,133.99-15,697.56

Finding the Fourth Proportional to 39,403.74, 59,133.99 and 15,697.56

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Solution

The fourth proportional to 39,403.74, 59,133.99 and 15,697.56 is: 23,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.74 : 59,133.99 = 15,697.56 : x
  2. Step 2: Convert to fraction form
    39,403.74/59,133.99 = 15,697.56/x
  3. Step 3: Cross multiply
    39,403.74x = 59,133.99 × 15,697.56
  4. Step 4: Simplify right side
    39,403.74x = 928,259,356.06
  5. Step 5: Solve for x
    x = 928,259,356.06/39,403.74
  6. Step 6: Final answer
    x = 23,557.65

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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.