Home / 43,151.76-64,752.80-18,190.28

Finding the Fourth Proportional to 43,151.76, 64,752.80 and 18,190.28

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Solution

The fourth proportional to 43,151.76, 64,752.80 and 18,190.28 is: 27,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.76 : 64,752.80 = 18,190.28 : x
  2. Step 2: Convert to fraction form
    43,151.76/64,752.80 = 18,190.28/x
  3. Step 3: Cross multiply
    43,151.76x = 64,752.80 × 18,190.28
  4. Step 4: Simplify right side
    43,151.76x = 1,177,871,562.78
  5. Step 5: Solve for x
    x = 1,177,871,562.78/43,151.76
  6. Step 6: Final answer
    x = 27,296.03

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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.