Home / 53,719.26-80,571.45-14,279.58

Finding the Fourth Proportional to 53,719.26, 80,571.45 and 14,279.58

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Solution

The fourth proportional to 53,719.26, 80,571.45 and 14,279.58 is: 21,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.26 : 80,571.45 = 14,279.58 : x
  2. Step 2: Convert to fraction form
    53,719.26/80,571.45 = 14,279.58/x
  3. Step 3: Cross multiply
    53,719.26x = 80,571.45 × 14,279.58
  4. Step 4: Simplify right side
    53,719.26x = 1,150,526,465.99
  5. Step 5: Solve for x
    x = 1,150,526,465.99/53,719.26
  6. Step 6: Final answer
    x = 21,417.39

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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.