Home / 43,533.76-65,291.38-13,943.66

Finding the Fourth Proportional to 43,533.76, 65,291.38 and 13,943.66

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Solution

The fourth proportional to 43,533.76, 65,291.38 and 13,943.66 is: 20,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,533.76 : 65,291.38 = 13,943.66 : x
  2. Step 2: Convert to fraction form
    43,533.76/65,291.38 = 13,943.66/x
  3. Step 3: Cross multiply
    43,533.76x = 65,291.38 × 13,943.66
  4. Step 4: Simplify right side
    43,533.76x = 910,400,803.65
  5. Step 5: Solve for x
    x = 910,400,803.65/43,533.76
  6. Step 6: Final answer
    x = 20,912.52

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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.