Home / 65,699.04-98,537.76-18,939.36

Finding the Fourth Proportional to 65,699.04, 98,537.76 and 18,939.36

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Solution

The fourth proportional to 65,699.04, 98,537.76 and 18,939.36 is: 28,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,699.04 : 98,537.76 = 18,939.36 : x
  2. Step 2: Convert to fraction form
    65,699.04/98,537.76 = 18,939.36/x
  3. Step 3: Cross multiply
    65,699.04x = 98,537.76 × 18,939.36
  4. Step 4: Simplify right side
    65,699.04x = 1,866,242,110.23
  5. Step 5: Solve for x
    x = 1,866,242,110.23/65,699.04
  6. Step 6: Final answer
    x = 28,405.93

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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.