Home / 29,453.21-40,655.43-18,123.18

Finding the Fourth Proportional to 29,453.21, 40,655.43 and 18,123.18

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Solution

The fourth proportional to 29,453.21, 40,655.43 and 18,123.18 is: 25,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,453.21 : 40,655.43 = 18,123.18 : x
  2. Step 2: Convert to fraction form
    29,453.21/40,655.43 = 18,123.18/x
  3. Step 3: Cross multiply
    29,453.21x = 40,655.43 × 18,123.18
  4. Step 4: Simplify right side
    29,453.21x = 736,805,675.87
  5. Step 5: Solve for x
    x = 736,805,675.87/29,453.21
  6. Step 6: Final answer
    x = 25,016.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.