Home / 39,670.84-59,506.47-13,375.81

Finding the Fourth Proportional to 39,670.84, 59,506.47 and 13,375.81

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Solution

The fourth proportional to 39,670.84, 59,506.47 and 13,375.81 is: 20,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.84 : 59,506.47 = 13,375.81 : x
  2. Step 2: Convert to fraction form
    39,670.84/59,506.47 = 13,375.81/x
  3. Step 3: Cross multiply
    39,670.84x = 59,506.47 × 13,375.81
  4. Step 4: Simplify right side
    39,670.84x = 795,947,260.71
  5. Step 5: Solve for x
    x = 795,947,260.71/39,670.84
  6. Step 6: Final answer
    x = 20,063.79

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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.