Home / 53,060.69-79,591.03-13,617.80

Finding the Fourth Proportional to 53,060.69, 79,591.03 and 13,617.80

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Solution

The fourth proportional to 53,060.69, 79,591.03 and 13,617.80 is: 20,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,060.69 : 79,591.03 = 13,617.80 : x
  2. Step 2: Convert to fraction form
    53,060.69/79,591.03 = 13,617.80/x
  3. Step 3: Cross multiply
    53,060.69x = 79,591.03 × 13,617.80
  4. Step 4: Simplify right side
    53,060.69x = 1,083,854,745.03
  5. Step 5: Solve for x
    x = 1,083,854,745.03/53,060.69
  6. Step 6: Final answer
    x = 20,426.70

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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.