Home / 39,987.08-59,940.48-13,673.82

Finding the Fourth Proportional to 39,987.08, 59,940.48 and 13,673.82

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Solution

The fourth proportional to 39,987.08, 59,940.48 and 13,673.82 is: 20,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.08 : 59,940.48 = 13,673.82 : x
  2. Step 2: Convert to fraction form
    39,987.08/59,940.48 = 13,673.82/x
  3. Step 3: Cross multiply
    39,987.08x = 59,940.48 × 13,673.82
  4. Step 4: Simplify right side
    39,987.08x = 819,615,334.23
  5. Step 5: Solve for x
    x = 819,615,334.23/39,987.08
  6. Step 6: Final answer
    x = 20,497.00

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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.