Home / 39,968.76-59,941.80-11,887.68

Finding the Fourth Proportional to 39,968.76, 59,941.80 and 11,887.68

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Solution

The fourth proportional to 39,968.76, 59,941.80 and 11,887.68 is: 17,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.76 : 59,941.80 = 11,887.68 : x
  2. Step 2: Convert to fraction form
    39,968.76/59,941.80 = 11,887.68/x
  3. Step 3: Cross multiply
    39,968.76x = 59,941.80 × 11,887.68
  4. Step 4: Simplify right side
    39,968.76x = 712,568,937.02
  5. Step 5: Solve for x
    x = 712,568,937.02/39,968.76
  6. Step 6: Final answer
    x = 17,828.15

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1.5x scale

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.