Home / 39,971.84-59,957.48-10,389.56

Finding the Fourth Proportional to 39,971.84, 59,957.48 and 10,389.56

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Solution

The fourth proportional to 39,971.84, 59,957.48 and 10,389.56 is: 15,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.84 : 59,957.48 = 10,389.56 : x
  2. Step 2: Convert to fraction form
    39,971.84/59,957.48 = 10,389.56/x
  3. Step 3: Cross multiply
    39,971.84x = 59,957.48 × 10,389.56
  4. Step 4: Simplify right side
    39,971.84x = 622,931,835.91
  5. Step 5: Solve for x
    x = 622,931,835.91/39,971.84
  6. Step 6: Final answer
    x = 15,584.27

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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.