Home / 43,491.49-65,261.82-18,528.91

Finding the Fourth Proportional to 43,491.49, 65,261.82 and 18,528.91

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Solution

The fourth proportional to 43,491.49, 65,261.82 and 18,528.91 is: 27,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.49 : 65,261.82 = 18,528.91 : x
  2. Step 2: Convert to fraction form
    43,491.49/65,261.82 = 18,528.91/x
  3. Step 3: Cross multiply
    43,491.49x = 65,261.82 × 18,528.91
  4. Step 4: Simplify right side
    43,491.49x = 1,209,230,389.22
  5. Step 5: Solve for x
    x = 1,209,230,389.22/43,491.49
  6. Step 6: Final answer
    x = 27,803.84

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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.