Home / 53,716.59-80,572.46-18,658.98

Finding the Fourth Proportional to 53,716.59, 80,572.46 and 18,658.98

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Solution

The fourth proportional to 53,716.59, 80,572.46 and 18,658.98 is: 27,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.59 : 80,572.46 = 18,658.98 : x
  2. Step 2: Convert to fraction form
    53,716.59/80,572.46 = 18,658.98/x
  3. Step 3: Cross multiply
    53,716.59x = 80,572.46 × 18,658.98
  4. Step 4: Simplify right side
    53,716.59x = 1,503,399,826.40
  5. Step 5: Solve for x
    x = 1,503,399,826.40/53,716.59
  6. Step 6: Final answer
    x = 27,987.63

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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.