Home / 39,968.09-59,941.89-11,880.86

Finding the Fourth Proportional to 39,968.09, 59,941.89 and 11,880.86

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Solution

The fourth proportional to 39,968.09, 59,941.89 and 11,880.86 is: 17,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.09 : 59,941.89 = 11,880.86 : x
  2. Step 2: Convert to fraction form
    39,968.09/59,941.89 = 11,880.86/x
  3. Step 3: Cross multiply
    39,968.09x = 59,941.89 × 11,880.86
  4. Step 4: Simplify right side
    39,968.09x = 712,160,903.52
  5. Step 5: Solve for x
    x = 712,160,903.52/39,968.09
  6. Step 6: Final answer
    x = 17,818.24

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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.