Home / 65,548.80-98,315.64-18,167.40

Finding the Fourth Proportional to 65,548.80, 98,315.64 and 18,167.40

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Solution

The fourth proportional to 65,548.80, 98,315.64 and 18,167.40 is: 27,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,548.80 : 98,315.64 = 18,167.40 : x
  2. Step 2: Convert to fraction form
    65,548.80/98,315.64 = 18,167.40/x
  3. Step 3: Cross multiply
    65,548.80x = 98,315.64 × 18,167.40
  4. Step 4: Simplify right side
    65,548.80x = 1,786,139,558.14
  5. Step 5: Solve for x
    x = 1,786,139,558.14/65,548.80
  6. Step 6: Final answer
    x = 27,249.00

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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.