Home / 65,625.35-98,434.80-18,240.12

Finding the Fourth Proportional to 65,625.35, 98,434.80 and 18,240.12

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Solution

The fourth proportional to 65,625.35, 98,434.80 and 18,240.12 is: 27,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,625.35 : 98,434.80 = 18,240.12 : x
  2. Step 2: Convert to fraction form
    65,625.35/98,434.80 = 18,240.12/x
  3. Step 3: Cross multiply
    65,625.35x = 98,434.80 × 18,240.12
  4. Step 4: Simplify right side
    65,625.35x = 1,795,462,564.18
  5. Step 5: Solve for x
    x = 1,795,462,564.18/65,625.35
  6. Step 6: Final answer
    x = 27,359.29

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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.