Home / 53,529.98-80,296.25-17,991.81

Finding the Fourth Proportional to 53,529.98, 80,296.25 and 17,991.81

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Solution

The fourth proportional to 53,529.98, 80,296.25 and 17,991.81 is: 26,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,529.98 : 80,296.25 = 17,991.81 : x
  2. Step 2: Convert to fraction form
    53,529.98/80,296.25 = 17,991.81/x
  3. Step 3: Cross multiply
    53,529.98x = 80,296.25 × 17,991.81
  4. Step 4: Simplify right side
    53,529.98x = 1,444,674,783.75
  5. Step 5: Solve for x
    x = 1,444,674,783.75/53,529.98
  6. Step 6: Final answer
    x = 26,988.15

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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.