Home / 65,393.19-98,090.69-18,646.06

Finding the Fourth Proportional to 65,393.19, 98,090.69 and 18,646.06

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Solution

The fourth proportional to 65,393.19, 98,090.69 and 18,646.06 is: 27,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,393.19 : 98,090.69 = 18,646.06 : x
  2. Step 2: Convert to fraction form
    65,393.19/98,090.69 = 18,646.06/x
  3. Step 3: Cross multiply
    65,393.19x = 98,090.69 × 18,646.06
  4. Step 4: Simplify right side
    65,393.19x = 1,829,004,891.18
  5. Step 5: Solve for x
    x = 1,829,004,891.18/65,393.19
  6. Step 6: Final answer
    x = 27,969.35

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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.