Home / 39,858.87-59,792.36-13,565.46

Finding the Fourth Proportional to 39,858.87, 59,792.36 and 13,565.46

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Solution

The fourth proportional to 39,858.87, 59,792.36 and 13,565.46 is: 20,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.87 : 59,792.36 = 13,565.46 : x
  2. Step 2: Convert to fraction form
    39,858.87/59,792.36 = 13,565.46/x
  3. Step 3: Cross multiply
    39,858.87x = 59,792.36 × 13,565.46
  4. Step 4: Simplify right side
    39,858.87x = 811,110,867.89
  5. Step 5: Solve for x
    x = 811,110,867.89/39,858.87
  6. Step 6: Final answer
    x = 20,349.57

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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.