Home / 39,900.03-59,831.65-11,810.04

Finding the Fourth Proportional to 39,900.03, 59,831.65 and 11,810.04

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Solution

The fourth proportional to 39,900.03, 59,831.65 and 11,810.04 is: 17,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.03 : 59,831.65 = 11,810.04 : x
  2. Step 2: Convert to fraction form
    39,900.03/59,831.65 = 11,810.04/x
  3. Step 3: Cross multiply
    39,900.03x = 59,831.65 × 11,810.04
  4. Step 4: Simplify right side
    39,900.03x = 706,614,179.77
  5. Step 5: Solve for x
    x = 706,614,179.77/39,900.03
  6. Step 6: Final answer
    x = 17,709.62

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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.