Home / 53,220.24-79,838.56-18,151.70

Finding the Fourth Proportional to 53,220.24, 79,838.56 and 18,151.70

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Solution

The fourth proportional to 53,220.24, 79,838.56 and 18,151.70 is: 27,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.24 : 79,838.56 = 18,151.70 : x
  2. Step 2: Convert to fraction form
    53,220.24/79,838.56 = 18,151.70/x
  3. Step 3: Cross multiply
    53,220.24x = 79,838.56 × 18,151.70
  4. Step 4: Simplify right side
    53,220.24x = 1,449,205,589.55
  5. Step 5: Solve for x
    x = 1,449,205,589.55/53,220.24
  6. Step 6: Final answer
    x = 27,230.35

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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.